23621964090 has 64 divisors (see below), whose sum is σ = 57560011776. Its totient is φ = 6203538432.

The previous prime is 23621964061. The next prime is 23621964097. The reversal of 23621964090 is 9046912632.

It is not an unprimeable number, because it can be changed into a prime (23621964097) 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, 510039 + ... + 554421.

It is an arithmetic number, because the mean of its divisors is an integer number (899375184).

Almost surely, 2^23621964090 is an apocalyptic number.

23621964090 is an abundant number, since it is smaller than the sum of its proper divisors (33938047686).

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

23621964090 is a wasteful number, since it uses less digits than its factorization.

23621964090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44663.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 23621964090 in words is "twenty-three billion, six hundred twenty-one million, nine hundred sixty-four thousand, ninety".