23164551 has 12 divisors (see below), whose sum is σ = 34091928. Its totient is φ = 15151344.

The previous prime is 23164529. The next prime is 23164577. The reversal of 23164551 is 15546132.

It is not a de Polignac number, because 23164551 - 2¹⁵ = 23131783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23164651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23805 + ... + 24758.

It is an arithmetic number, because the mean of its divisors is an integer number (2840994).

Almost surely, 2^23164551 is an apocalyptic number.

23164551 is a deficient number, since it is larger than the sum of its proper divisors (10927377).

23164551 is a wasteful number, since it uses less digits than its factorization.

23164551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48622 (or 48619 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 23164551 is about 4812.9565757443. The cubic root of 23164551 is about 285.0632915759.

The spelling of 23164551 in words is "twenty-three million, one hundred sixty-four thousand, five hundred fifty-one".