3,423 in words
3,423
three thousand four hundred and twenty-three
3,423 is written three thousand four hundred and twenty-three.
Ways to write it
- As an ordinal
- three thousand four hundred and twenty-third
- Roman numeral
- MMMCDXXIII
- Expanded form
- 3,000 + 400 + 20 + 3
Place value
| Place | Digit | Value |
|---|---|---|
| thousands | 3 | 3,000 |
| hundreds | 4 | 400 |
| tens | 2 | 20 |
| ones | 3 | 3 |
Number facts
- Even or odd
- Odd
- Prime or composite
- Composite
- Factors
- 1, 3, 7, 21, 163, 489, 1,141 and 3,423 (8 factors)
- First 10 multiples
- 3,423, 6,846, 10,269, 13,692, 17,115, 20,538, 23,961, 27,384, 30,807, 34,230
- Square
- 3,423 × 3,423 = 11,716,929
- Square root
- ≈ 58.51
- Sum of the digits
- 3 + 4 + 2 + 3 = 12
- Rounded to the nearest 10
- 3,420
- Rounded to the nearest 100
- 3,400
- Rounded to the nearest 1000
- 3,000
- Number before
- 3,422
- Number after
- 3,424
- In binary
110101011111
Quick check
What number comes just after 3,423?
Show the answer
3,424
Is 3,423 even or odd?
Show the answer
Odd
What is 3,423 + 10?
Show the answer
3,433
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 3,423 in words?
3,423 is written "three thousand four hundred and twenty-three".
Is 3,423 a prime number?
No. 3,423 is a composite number, because it has more than two factors.
What are the factors of 3,423?
The factors of 3,423 are 1, 3, 7, 21, 163, 489, 1,141 and 3,423.
How do you write 3,423 in Roman numerals?
3,423 in Roman numerals is MMMCDXXIII.