56671923 has 24 divisors (see below), whose sum is σ = 94925824. Its totient is φ = 29438640.

The previous prime is 56671921. The next prime is 56671943. The reversal of 56671923 is 32917665.

It is not a de Polignac number, because 56671923 - 2¹ = 56671921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56671921) 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, 8611 + ... + 13692.

Almost surely, 2^56671923 is an apocalyptic number.

56671923 is a deficient number, since it is larger than the sum of its proper divisors (38253901).

56671923 is a wasteful number, since it uses less digits than its factorization.

56671923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22335 (or 22324 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 56671923 is about 7528.0756505232. The cubic root of 56671923 is about 384.1103266433.

The spelling of 56671923 in words is "fifty-six million, six hundred seventy-one thousand, nine hundred twenty-three".