23623294644 has 36 divisors (see below), whose sum is σ = 60080800416. Its totient is φ = 7826120208.

The previous prime is 23623294621. The next prime is 23623294657. The reversal of 23623294644 is 44649232632.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23623294644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2007024 + ... + 2018759.

Almost surely, 2^23623294644 is an apocalyptic number.

It is an amenable number.

23623294644 is an abundant number, since it is smaller than the sum of its proper divisors (36457505772).

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

23623294644 is a wasteful number, since it uses less digits than its factorization.

23623294644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025956 (or 4025951 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

The spelling of 23623294644 in words is "twenty-three billion, six hundred twenty-three million, two hundred ninety-four thousand, six hundred forty-four".