23928931 has 8 divisors (see below), whose sum is σ = 26601344. Its totient is φ = 21375360.

The previous prime is 23928913. The next prime is 23928937. The reversal of 23928931 is 13982932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23928931 - 2⁷ = 23928803 is a prime.

It is a super-2 number, since 2×23928931² = 1145187477605522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23928937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29286 + ... + 30091.

It is an arithmetic number, because the mean of its divisors is an integer number (3325168).

Almost surely, 2^23928931 is an apocalyptic number.

23928931 is a deficient number, since it is larger than the sum of its proper divisors (2672413).

23928931 is a wasteful number, since it uses less digits than its factorization.

23928931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59421.

The product of its digits is 23328, while the sum is 37.

The square root of 23928931 is about 4891.7206584187. The cubic root of 23928931 is about 288.1649124633.

The spelling of 23928931 in words is "twenty-three million, nine hundred twenty-eight thousand, nine hundred thirty-one".