23623164 has 30 divisors (see below), whose sum is σ = 61756464. Its totient is φ = 7874280.

The previous prime is 23623163. The next prime is 23623219. The reversal of 23623164 is 46132632.

23623164 is a `hidden beast` number, since 23 + 623 + 16 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23623163) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 36132 + ... + 36779.

Almost surely, 2^23623164 is an apocalyptic number.

It is an amenable number.

23623164 is an abundant number, since it is smaller than the sum of its proper divisors (38133300).

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

23623164 is a wasteful number, since it uses less digits than its factorization.

23623164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72927 (or 72916 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 23623164 is about 4860.3666528360. The cubic root of 23623164 is about 286.9322441193.

Adding to 23623164 its reverse (46132632), we get a palindrome (69755796).

The spelling of 23623164 in words is "twenty-three million, six hundred twenty-three thousand, one hundred sixty-four".