23621964089 has 4 divisors (see below), whose sum is σ = 23624068224. Its totient is φ = 23619859956.

The previous prime is 23621964061. The next prime is 23621964097. The reversal of 23621964089 is 98046912632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23621964089 - 2¹² = 23621959993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23621964019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035137 + ... + 1057710.

It is an arithmetic number, because the mean of its divisors is an integer number (5906017056).

Almost surely, 2^23621964089 is an apocalyptic number.

It is an amenable number.

23621964089 is a deficient number, since it is larger than the sum of its proper divisors (2104135).

23621964089 is a wasteful number, since it uses less digits than its factorization.

23621964089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104134.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 23621964089 in words is "twenty-three billion, six hundred twenty-one million, nine hundred sixty-four thousand, eighty-nine".