23443644156 has 24 divisors (see below), whose sum is σ = 54895137024. Its totient is φ = 7786933680.

The previous prime is 23443644151. The next prime is 23443644163. The reversal of 23443644156 is 65144634432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443644151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3448260 + ... + 3455051.

It is an arithmetic number, because the mean of its divisors is an integer number (2287297376).

Almost surely, 2^23443644156 is an apocalyptic number.

It is an amenable number.

23443644156 is an abundant number, since it is smaller than the sum of its proper divisors (31451492868).

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

23443644156 is a wasteful number, since it uses less digits than its factorization.

23443644156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903601 (or 6903599 counting only the distinct ones).

The product of its digits is 829440, while the sum is 42.

The spelling of 23443644156 in words is "twenty-three billion, four hundred forty-three million, six hundred forty-four thousand, one hundred fifty-six".