20,423 in words
20,423
twenty thousand four hundred twenty-three
20,423 is written twenty thousand four hundred twenty-three.
Ways to write it
- As an ordinal
- twenty thousand four hundred twenty-third
- Expanded form
- 20,000 + 400 + 20 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 0 | 0 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 13, 1,571 and 20,423 (4 factors)
- First 10 multiples
- 20,423, 40,846, 61,269, 81,692, 102,115, 122,538, 142,961, 163,384, 183,807, 204,230
- Square
- 20,423 × 20,423 = 417,098,929
- Square root
- ≈ 142.91
- Sum of the digits
- 2 + 0 + 4 + 2 + 3 = 11
- Rounded to the nearest 10
- 20,420
- Rounded to the nearest 100
- 20,400
- Rounded to the nearest 1000
- 20,000
- Number before
- 20,422
- Number after
- 20,424
- In binary
100111111000111
Quick check
What number comes just after 20,423?
Show the answer
20,424
Is 20,423 even or odd?
Show the answer
Odd
What is 20,423 + 10?
Show the answer
20,433
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 20,423 in words?
20,423 is written "twenty thousand four hundred twenty-three".
Is 20,423 a prime number?
No. 20,423 is a composite number, because it has more than two factors.
What are the factors of 20,423?
The factors of 20,423 are 1, 13, 1,571 and 20,423.