123416856 has 48 divisors (see below), whose sum is σ = 351850200. Its totient is φ = 38973312.

The previous prime is 123416851. The next prime is 123416857. The reversal of 123416856 is 658614321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 123416856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123416851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43741 + ... + 46476.

Almost surely, 2^123416856 is an apocalyptic number.

It is an amenable number.

123416856 is an abundant number, since it is smaller than the sum of its proper divisors (228433344).

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

123416856 is a wasteful number, since it uses less digits than its factorization.

123416856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90248 (or 90241 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 123416856 is about 11109.3139302119. The cubic root of 123416856 is about 497.8801666476.

The spelling of 123416856 in words is "one hundred twenty-three million, four hundred sixteen thousand, eight hundred fifty-six".