23117928 has 64 divisors (see below), whose sum is σ = 59616000. Its totient is φ = 7468032.

The previous prime is 23117923. The next prime is 23117929. The reversal of 23117928 is 82971132.

It is not an unprimeable number, because it can be changed into a prime (23117923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168676 + ... + 168812.

It is an arithmetic number, because the mean of its divisors is an integer number (931500).

Almost surely, 2^23117928 is an apocalyptic number.

It is an amenable number.

23117928 is an abundant number, since it is smaller than the sum of its proper divisors (36498072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23117928 is a wasteful number, since it uses less digits than its factorization.

23117928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 310 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 23117928 is about 4808.1106476453. The cubic root of 23117928 is about 284.8719153596.

The spelling of 23117928 in words is "twenty-three million, one hundred seventeen thousand, nine hundred twenty-eight".