23644404152 has 16 divisors (see below), whose sum is σ = 45364264440. Its totient is φ = 11547266976.

The previous prime is 23644404101. The next prime is 23644404169. The reversal of 23644404152 is 25140444632.

It is a super-2 number, since 2×23644404152² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34366523 + ... + 34367210.

Almost surely, 2^23644404152 is an apocalyptic number.

It is an amenable number.

23644404152 is a deficient number, since it is larger than the sum of its proper divisors (21719860288).

23644404152 is a wasteful number, since it uses less digits than its factorization.

23644404152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68733782 (or 68733778 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 23644404152 its reverse (25140444632), we get a palindrome (48784848784).

The spelling of 23644404152 in words is "twenty-three billion, six hundred forty-four million, four hundred four thousand, one hundred fifty-two".