56928123 has 64 divisors (see below), whose sum is σ = 103219200. Its totient is φ = 30287520.

The previous prime is 56928103. The next prime is 56928133. The reversal of 56928123 is 32182965.

It is not a de Polignac number, because 56928123 - 2¹² = 56924027 is a prime.

It is a super-2 number, since 2×56928123² = 6481622376606258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56928103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 297958 + ... + 298148.

It is an arithmetic number, because the mean of its divisors is an integer number (1612800).

Almost surely, 2^56928123 is an apocalyptic number.

56928123 is a deficient number, since it is larger than the sum of its proper divisors (46291077).

56928123 is a wasteful number, since it uses less digits than its factorization.

56928123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 303 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 56928123 is about 7545.0727630686. The cubic root of 56928123 is about 384.6882797538.

The spelling of 56928123 in words is "fifty-six million, nine hundred twenty-eight thousand, one hundred twenty-three".