23187234536 has 16 divisors (see below), whose sum is σ = 45366328800. Its totient is φ = 11089546864.

The previous prime is 23187234529. The next prime is 23187234547. The reversal of 23187234536 is 63543278132.

It is a happy number.

It is a super-2 number, since 2×23187234536² (a number of 22 digits) contains 22 as substring.

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, 63008606 + ... + 63008973.

It is an arithmetic number, because the mean of its divisors is an integer number (2835395550).

Almost surely, 2^23187234536 is an apocalyptic number.

It is an amenable number.

23187234536 is a deficient number, since it is larger than the sum of its proper divisors (22179094264).

23187234536 is a wasteful number, since it uses less digits than its factorization.

23187234536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126017608 (or 126017604 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 23187234536 in words is "twenty-three billion, one hundred eighty-seven million, two hundred thirty-four thousand, five hundred thirty-six".