23164308 has 18 divisors (see below), whose sum is σ = 58554314. Its totient is φ = 7721424.

The previous prime is 23164307. The next prime is 23164313. The reversal of 23164308 is 80346132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15776784 + 7387524 = 3972^2 + 2718^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23164307) 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, 321691 + ... + 321762.

Almost surely, 2^23164308 is an apocalyptic number.

It is an amenable number.

23164308 is an abundant number, since it is smaller than the sum of its proper divisors (35390006).

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

23164308 is a wasteful number, since it uses less digits than its factorization.

23164308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643463 (or 643458 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23164308 is about 4812.9313313198. The cubic root of 23164308 is about 285.0622947853.

The spelling of 23164308 in words is "twenty-three million, one hundred sixty-four thousand, three hundred eight".