23508045621 has 24 divisors (see below), whose sum is σ = 37845774720. Its totient is φ = 13973821056.

The previous prime is 23508045619. The next prime is 23508045629. The reversal of 23508045621 is 12654080532.

23508045621 is a `hidden beast` number, since 23 + 5 + 0 + 8 + 0 + 4 + 5 + 621 = 666.

It is not a de Polignac number, because 23508045621 - 2¹ = 23508045619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23508045629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4040445 + ... + 4046258.

It is an arithmetic number, because the mean of its divisors is an integer number (1576907280).

Almost surely, 2^23508045621 is an apocalyptic number.

It is an amenable number.

23508045621 is a deficient number, since it is larger than the sum of its proper divisors (14337729099).

23508045621 is a wasteful number, since it uses less digits than its factorization.

23508045621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086745 (or 8086742 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 23508045621 in words is "twenty-three billion, five hundred eight million, forty-five thousand, six hundred twenty-one".