23624403645 has 16 divisors (see below), whose sum is σ = 38512236672. Its totient is φ = 12361951680.

The previous prime is 23624403637. The next prime is 23624403659. The reversal of 23624403645 is 54630442632.

It is not a de Polignac number, because 23624403645 - 2³ = 23624403637 is a prime.

It is a super-2 number, since 2×23624403645² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14857321 + ... + 14858910.

It is an arithmetic number, because the mean of its divisors is an integer number (2407014792).

Almost surely, 2^23624403645 is an apocalyptic number.

It is an amenable number.

23624403645 is a deficient number, since it is larger than the sum of its proper divisors (14887833027).

23624403645 is a wasteful number, since it uses less digits than its factorization.

23624403645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29716292.

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 23624403645 in words is "twenty-three billion, six hundred twenty-four million, four hundred three thousand, six hundred forty-five".