1,023 in words
1,023
one thousand and twenty-three
1,023 is written one thousand and twenty-three.
Ways to write it
- As an ordinal
- one thousand and twenty-third
- Roman numeral
- MXXIII
- Expanded form
- 1,000 + 20 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 1 | 1,000 |
| hundreds | 0 | 0 |
| tens | 2 | 20 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 11, 31, 33, 93, 341 and 1,023 (8 factors)
- First 10 multiples
- 1,023, 2,046, 3,069, 4,092, 5,115, 6,138, 7,161, 8,184, 9,207, 10,230
- Square
- 1,023 × 1,023 = 1,046,529
- Square root
- ≈ 31.98
- Sum of the digits
- 1 + 0 + 2 + 3 = 6
- Rounded to the nearest 10
- 1,020
- Rounded to the nearest 100
- 1,000
- Rounded to the nearest 1000
- 1,000
- Number before
- 1,022
- Number after
- 1,024
- In binary
1111111111
Quick check
What number comes just after 1,023?
Show the answer
1,024
Is 1,023 even or odd?
Show the answer
Odd
What is 1,023 + 10?
Show the answer
1,033
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 1,023 in words?
1,023 is written "one thousand and twenty-three".
Is 1,023 a prime number?
No. 1,023 is a composite number, because it has more than two factors.
What are the factors of 1,023?
The factors of 1,023 are 1, 3, 11, 31, 33, 93, 341 and 1,023.
How do you write 1,023 in Roman numerals?
1,023 in Roman numerals is MXXIII.