23275872 has 36 divisors (see below), whose sum is σ = 66191580. Its totient is φ = 7758528.

The previous prime is 23275871. The next prime is 23275877. The reversal of 23275872 is 27857232.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23275871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40122 + ... + 40697.

It is an arithmetic number, because the mean of its divisors is an integer number (1838655).

Almost surely, 2^23275872 is an apocalyptic number.

It is an amenable number.

23275872 is an abundant number, since it is smaller than the sum of its proper divisors (42915708).

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

23275872 is a wasteful number, since it uses less digits than its factorization.

23275872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80835 (or 80824 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 23275872 is about 4824.5074359980. The cubic root of 23275872 is about 285.5192013038.

The spelling of 23275872 in words is "twenty-three million, two hundred seventy-five thousand, eight hundred seventy-two".