23621957623 has 32 divisors (see below), whose sum is σ = 28235243520. Its totient is φ = 19510848000.

The previous prime is 23621957581. The next prime is 23621957683. The reversal of 23621957623 is 32675912632.

It is a cyclic number.

It is not a de Polignac number, because 23621957623 - 2⁹ = 23621957111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23621957683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2435698 + ... + 2445376.

It is an arithmetic number, because the mean of its divisors is an integer number (882351360).

Almost surely, 2^23621957623 is an apocalyptic number.

23621957623 is a deficient number, since it is larger than the sum of its proper divisors (4613285897).

23621957623 is a wasteful number, since it uses less digits than its factorization.

23621957623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10159.

The product of its digits is 816480, while the sum is 46.

The spelling of 23621957623 in words is "twenty-three billion, six hundred twenty-one million, nine hundred fifty-seven thousand, six hundred twenty-three".