323 in words
323
three hundred and twenty-three
323 is written three hundred and twenty-three.
Ways to write it
- As an ordinal
- three hundred and twenty-third
- Roman numeral
- CCCXXIII
- Expanded form
- 300 + 20 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| hundreds | 3 | 300 |
| tens | 2 | 20 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 17, 19 and 323 (4 factors)
- First 10 multiples
- 323, 646, 969, 1,292, 1,615, 1,938, 2,261, 2,584, 2,907, 3,230
- Square
- 323 × 323 = 104,329
- Square root
- ≈ 17.97
- Sum of the digits
- 3 + 2 + 3 = 8
- Rounded to the nearest 10
- 320
- Rounded to the nearest 100
- 300
- Number before
- 322
- Number after
- 324
- In binary
101000011
Quick check
What number comes just after 323?
Show the answer
324
Is 323 even or odd?
Show the answer
Odd
What is 323 + 10?
Show the answer
333
Practise with a game
Factors, Multiples & Primes
Multiples, factors, prime numbers, square numbers and prime factors.
Roman Numerals
Read and write Roman numerals from I to 3,999.Frequently asked questions
How do you write 323 in words?
323 is written "three hundred and twenty-three".
Is 323 a prime number?
No. 323 is a composite number, because it has more than two factors.
What are the factors of 323?
The factors of 323 are 1, 17, 19 and 323.
How do you write 323 in Roman numerals?
323 in Roman numerals is CCCXXIII.