23165552 has 40 divisors (see below), whose sum is σ = 46648800. Its totient is φ = 11135232.

The previous prime is 23165551. The next prime is 23165557. The reversal of 23165552 is 25556132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23165551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64349 + ... + 64707.

It is an arithmetic number, because the mean of its divisors is an integer number (1166220).

Almost surely, 2^23165552 is an apocalyptic number.

It is an amenable number.

23165552 is an abundant number, since it is smaller than the sum of its proper divisors (23483248).

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

23165552 is a wasteful number, since it uses less digits than its factorization.

23165552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 507 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 23165552 is about 4813.0605647550. The cubic root of 23165552 is about 285.0673976235.

The spelling of 23165552 in words is "twenty-three million, one hundred sixty-five thousand, five hundred fifty-two".