23149568 has 88 divisors (see below), whose sum is σ = 52272192. Its totient is φ = 10174464.

The previous prime is 23149547. The next prime is 23149571. The reversal of 23149568 is 86594132.

It is a happy number.

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, 492521 + ... + 492567.

Almost surely, 2^23149568 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 23149568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26136096).

23149568 is an abundant number, since it is smaller than the sum of its proper divisors (29122624).

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

23149568 is a wasteful number, since it uses less digits than its factorization.

23149568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 99 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 23149568 is about 4811.3997963171. The cubic root of 23149568 is about 285.0018179837.

The spelling of 23149568 in words is "twenty-three million, one hundred forty-nine thousand, five hundred sixty-eight".