Number 123

"Number Facts & Properties" Calculator
Number

What is number 123?

Answer

Number 123 is
an odd number

One hundred twenty-three

The last digit, 3, is odd, so 123 is odd: 123 = 2 × 61 + 1.

How to read it

Ordinal
one hundred twenty-third

Divisibility

no — composite
123 = 3 × 41
4: 1, 3, 41, 123
Nearest primes
113 and 127

Other notations

1111011

Digits

Number of digits
3
Sum of digits
1 + 2 + 3 = 6
Product of digits
1 × 2 × 3 = 6

Codes

QR code
Barcode (Code 128)

See Also

FAQ

What is number 123?

Number 123 is an odd number

Is 123 even or odd?

123 is an odd number

How many digits does 123 have?

The number 123 has 3 digits