23623623 has 16 divisors (see below), whose sum is σ = 35270400. Its totient is φ = 15626520.

The previous prime is 23623601. The next prime is 23623627. The reversal of 23623623 is 32632632.

23623623 is a `hidden beast` number, since 2 + 36 + 2 + 3 + 623 = 666.

It is not a de Polignac number, because 23623623 - 2⁶ = 23623559 is a prime.

It is a super-2 number, since 2×23623623² = 1116151127292258, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23623627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198 + ... + 6876.

It is an arithmetic number, because the mean of its divisors is an integer number (2204400).

Almost surely, 2^23623623 is an apocalyptic number.

23623623 is a deficient number, since it is larger than the sum of its proper divisors (11646777).

23623623 is a wasteful number, since it uses less digits than its factorization.

23623623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819 (or 6813 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 23623623 is about 4860.4138712665. The cubic root of 23623623 is about 286.9341024795.

Subtracting 23623623 from its reverse (32632632), we obtain a palindrome (9009009).

The spelling of 23623623 in words is "twenty-three million, six hundred twenty-three thousand, six hundred twenty-three".