56317923 has 24 divisors (see below), whose sum is σ = 89329968. Its totient is φ = 35334144.

The previous prime is 56317883. The next prime is 56317949. The reversal of 56317923 is 32971365.

56317923 is a `hidden beast` number, since 563 + 1 + 7 + 92 + 3 = 666.

It is not a de Polignac number, because 56317923 - 2⁹ = 56317411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56317223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2686 + ... + 10947.

It is an arithmetic number, because the mean of its divisors is an integer number (3722082).

Almost surely, 2^56317923 is an apocalyptic number.

56317923 is a deficient number, since it is larger than the sum of its proper divisors (33012045).

56317923 is a wasteful number, since it uses less digits than its factorization.

56317923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13665 (or 13653 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 56317923 is about 7504.5268338517. The cubic root of 56317923 is about 383.3088764905.

The spelling of 56317923 in words is "fifty-six million, three hundred seventeen thousand, nine hundred twenty-three".