23,121 in words
23,121
twenty-three thousand one hundred twenty-one
23,121 is written twenty-three thousand one hundred twenty-one.
Ways to write it
- As an ordinal
- twenty-three thousand one hundred twenty-first
- Expanded form
- 20,000 + 3,000 + 100 + 20 + 1
Place value
| Place | Digit | Value |
|---|---|---|
| ten thousands | 2 | 20,000 |
| thousands | 3 | 3,000 |
| hundreds | 1 | 100 |
| tens | 2 | 20 |
| ones | 1 | 1 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 7, 9, 21, 63, 367, 1,101, 2,569, 3,303, 7,707 and 23,121 (12 factors)
- First 10 multiples
- 23,121, 46,242, 69,363, 92,484, 115,605, 138,726, 161,847, 184,968, 208,089, 231,210
- Square
- 23,121 × 23,121 = 534,580,641
- Square root
- ≈ 152.06
- Sum of the digits
- 2 + 3 + 1 + 2 + 1 = 9
- Rounded to the nearest 10
- 23,120
- Rounded to the nearest 100
- 23,100
- Rounded to the nearest 1000
- 23,000
- Number before
- 23,120
- Number after
- 23,122
- In binary
101101001010001
Quick check
What number comes just after 23,121?
Show the answer
23,122
Is 23,121 even or odd?
Show the answer
Odd
What is 23,121 + 10?
Show the answer
23,131
Practice 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 23,121 in words?
23,121 is written "twenty-three thousand one hundred twenty-one".
Is 23,121 a prime number?
No. 23,121 is a composite number, because it has more than two factors.
What are the factors of 23,121?
The factors of 23,121 are 1, 3, 7, 9, 21, 63, 367, 1,101, 2,569, 3,303, 7,707 and 23,121.