23500500636 has 24 divisors (see below), whose sum is σ = 55118623504. Its totient is φ = 7792911360.

The previous prime is 23500500619. The next prime is 23500500643. The reversal of 23500500636 is 63600500532.

It is a super-3 number, since 3×23500500636³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071195 + ... + 5075826.

Almost surely, 2^23500500636 is an apocalyptic number.

It is an amenable number.

23500500636 is an abundant number, since it is smaller than the sum of its proper divisors (31618122868).

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

23500500636 is a wasteful number, since it uses less digits than its factorization.

23500500636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147221 (or 10147219 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 23500500636 in words is "twenty-three billion, five hundred million, five hundred thousand, six hundred thirty-six".