23606511138 has 24 divisors (see below), whose sum is σ = 58454218368. Its totient is φ = 6744717432.

The previous prime is 23606511121. The next prime is 23606511139. The reversal of 23606511138 is 83111560632.

23606511138 is a `hidden beast` number, since 2 + 3 + 6 + 0 + 6 + 511 + 138 = 666.

It is not an unprimeable number, because it can be changed into a prime (23606511139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93676506 + ... + 93676757.

It is an arithmetic number, because the mean of its divisors is an integer number (2435592432).

Almost surely, 2^23606511138 is an apocalyptic number.

23606511138 is an abundant number, since it is smaller than the sum of its proper divisors (34847707230).

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

23606511138 is a wasteful number, since it uses less digits than its factorization.

23606511138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187353278 (or 187353275 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 23606511138 in words is "twenty-three billion, six hundred six million, five hundred eleven thousand, one hundred thirty-eight".