23137836 has 24 divisors (see below), whose sum is σ = 54673920. Its totient is φ = 7614672.

The previous prime is 23137831. The next prime is 23137837. The reversal of 23137836 is 63873132.

It is a junction number, because it is equal to n+sod(n) for n = 23137797 and 23137806.

It is not an unprimeable number, because it can be changed into a prime (23137831) 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, 11256 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (2278080).

Almost surely, 2^23137836 is an apocalyptic number.

It is an amenable number.

23137836 is an abundant number, since it is smaller than the sum of its proper divisors (31536084).

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

23137836 is a wasteful number, since it uses less digits than its factorization.

23137836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24493 (or 24491 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 23137836 is about 4810.1804539955. The cubic root of 23137836 is about 284.9536643662.

The spelling of 23137836 in words is "twenty-three million, one hundred thirty-seven thousand, eight hundred thirty-six".