23164493 has 4 divisors (see below), whose sum is σ = 25270368. Its totient is φ = 21058620.

The previous prime is 23164483. The next prime is 23164499. The reversal of 23164493 is 39446132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23164493 - 2⁶ = 23164429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23164499) 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 3 ways as a sum of consecutive naturals, for example, 1052921 + ... + 1052942.

It is an arithmetic number, because the mean of its divisors is an integer number (6317592).

Almost surely, 2^23164493 is an apocalyptic number.

It is an amenable number.

23164493 is a deficient number, since it is larger than the sum of its proper divisors (2105875).

23164493 is a wasteful number, since it uses less digits than its factorization.

23164493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105874.

The product of its digits is 15552, while the sum is 32.

The square root of 23164493 is about 4812.9505503381. The cubic root of 23164493 is about 285.0630536595.

The spelling of 23164493 in words is "twenty-three million, one hundred sixty-four thousand, four hundred ninety-three".