23164423 has 4 divisors (see below), whose sum is σ = 23174080. Its totient is φ = 23154768.

The previous prime is 23164333. The next prime is 23164429. The reversal of 23164423 is 32446132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23164423 - 2²¹ = 21067271 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 (23164429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843 + ... + 7051.

It is an arithmetic number, because the mean of its divisors is an integer number (5793520).

Almost surely, 2^23164423 is an apocalyptic number.

23164423 is a deficient number, since it is larger than the sum of its proper divisors (9657).

23164423 is an equidigital number, since it uses as much as digits as its factorization.

23164423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9656.

The product of its digits is 3456, while the sum is 25.

The square root of 23164423 is about 4812.9432782862. The cubic root of 23164423 is about 285.0627665184.

The spelling of 23164423 in words is "twenty-three million, one hundred sixty-four thousand, four hundred twenty-three".