23115568 has 40 divisors (see below), whose sum is σ = 51523488. Its totient is φ = 9841152.

The previous prime is 23115559. The next prime is 23115593. The reversal of 23115568 is 86551132.

It is an unprimeable number.

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, 18780 + ... + 19972.

Almost surely, 2^23115568 is an apocalyptic number.

23115568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23115568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25761744).

23115568 is an abundant number, since it is smaller than the sum of its proper divisors (28407920).

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

23115568 is a wasteful number, since it uses less digits than its factorization.

23115568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1375 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 23115568 is about 4807.8652227366. The cubic root of 23115568 is about 284.8622212873.

The spelling of 23115568 in words is "twenty-three million, one hundred fifteen thousand, five hundred sixty-eight".