23117568 has 72 divisors (see below), whose sum is σ = 63576576. Its totient is φ = 7449600.

The previous prime is 23117551. The next prime is 23117573. The reversal of 23117568 is 86571132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23323 + ... + 24293.

It is an arithmetic number, because the mean of its divisors is an integer number (883008).

Almost surely, 2^23117568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23117568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31788288).

23117568 is an abundant number, since it is smaller than the sum of its proper divisors (40459008).

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

23117568 is an equidigital number, since it uses as much as digits as its factorization.

23117568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1007 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 23117568 is about 4808.0732107571. The cubic root of 23117568 is about 284.8704366454.

The spelling of 23117568 in words is "twenty-three million, one hundred seventeen thousand, five hundred sixty-eight".