123708 has 36 divisors (see below), whose sum is σ = 317688. Its totient is φ = 37440.

The previous prime is 123707. The next prime is 123719. The reversal of 123708 is 807321.

It is a nialpdrome in base 13.

It is a zygodrome in base 2 and base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1998 + ... + 2058.

2¹²³⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158844).

123708 is an abundant number, since it is smaller than the sum of its proper divisors (193980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123708 is a wasteful number, since it uses less digits than its factorization.

123708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 123708 is about 351.7214807202. The cubic root of 123708 is about 49.8271363855.

The spelling of 123708 in words is "one hundred twenty-three thousand, seven hundred eight".