123372856 has 16 divisors (see below), whose sum is σ = 231739200. Its totient is φ = 61575744.

The previous prime is 123372853. The next prime is 123372857. The reversal of 123372856 is 658273321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123372853) 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 3 ways as a sum of consecutive naturals, for example, 9000 + ... + 18103.

It is an arithmetic number, because the mean of its divisors is an integer number (14483700).

Almost surely, 2^123372856 is an apocalyptic number.

It is an amenable number.

123372856 is a deficient number, since it is larger than the sum of its proper divisors (108366344).

123372856 is a wasteful number, since it uses less digits than its factorization.

123372856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27678 (or 27674 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 123372856 is about 11107.3334333673. Note that the first 3 decimals coincide. The cubic root of 123372856 is about 497.8209923124.

The spelling of 123372856 in words is "one hundred twenty-three million, three hundred seventy-two thousand, eight hundred fifty-six".