23116572 has 36 divisors (see below), whose sum is σ = 58665880. Its totient is φ = 7674912.

The previous prime is 23116547. The next prime is 23116573. The reversal of 23116572 is 27561132.

It is a happy number.

23116572 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 657 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23116573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9054 + ... + 11322.

Almost surely, 2^23116572 is an apocalyptic number.

It is an amenable number.

23116572 is an abundant number, since it is smaller than the sum of its proper divisors (35549308).

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

23116572 is a wasteful number, since it uses less digits than its factorization.

23116572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562 (or 2557 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 23116572 is about 4807.9696338475. The cubic root of 23116572 is about 284.8663454563.

The spelling of 23116572 in words is "twenty-three million, one hundred sixteen thousand, five hundred seventy-two".