123042708 has 72 divisors (see below), whose sum is σ = 338738400. Its totient is φ = 37509696.

The previous prime is 123042707. The next prime is 123042721. The reversal of 123042708 is 807240321.

123042708 is a `hidden beast` number, since 1 + 230 + 427 + 0 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123042701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16735 + ... + 22937.

It is an arithmetic number, because the mean of its divisors is an integer number (4704700).

Almost surely, 2^123042708 is an apocalyptic number.

123042708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123042708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169369200).

123042708 is an abundant number, since it is smaller than the sum of its proper divisors (215695692).

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

123042708 is a wasteful number, since it uses less digits than its factorization.

123042708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261 (or 6256 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 123042708 is about 11092.4617646400. The cubic root of 123042708 is about 497.3765362845.

The spelling of 123042708 in words is "one hundred twenty-three million, forty-two thousand, seven hundred eight".