23,440 in words
23,440
twenty-three thousand four hundred forty
23,440 is written twenty-three thousand four hundred forty.
Ways to write it
- As an ordinal
- twenty-three thousand four hundred fortieth
- Expanded form
- 20,000 + 3,000 + 400 + 40
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 3 | 3,000 |
| hundreds | 4 | 400 |
| tens | 4 | 40 |
| ones | 0 | 0 |
Number facts
- Even or odd
- Even
- Prime or composite
- Composite
- Factors
- 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1,172, 1,465, 2,344, 2,930, 4,688, 5,860, 11,720 and 23,440 (20 factors)
- First 10 multiples
- 23,440, 46,880, 70,320, 93,760, 117,200, 140,640, 164,080, 187,520, 210,960, 234,400
- Square
- 23,440 × 23,440 = 549,433,600
- Square root
- ≈ 153.10
- Sum of the digits
- 2 + 3 + 4 + 4 + 0 = 13
- Rounded to the nearest 10
- 23,440
- Rounded to the nearest 100
- 23,400
- Rounded to the nearest 1000
- 23,000
- Number before
- 23,439
- Number after
- 23,441
- In binary
101101110010000
Quick check
What number comes just after 23,440?
Show the answer
23,441
Is 23,440 even or odd?
Show the answer
Even
What is 23,440 + 10?
Show the answer
23,450
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Number Patterns
Find the missing number in a sequence.Frequently asked questions
How do you write 23,440 in words?
23,440 is written "twenty-three thousand four hundred forty".
Is 23,440 a prime number?
No. 23,440 is a composite number, because it has more than two factors.
What are the factors of 23,440?
The factors of 23,440 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1,172, 1,465, 2,344, 2,930, 4,688, 5,860, 11,720 and 23,440.