23320000138 has 48 divisors (see below), whose sum is σ = 38236294944. Its totient is φ = 10657025280.

The previous prime is 23320000111. The next prime is 23320000153. The reversal of 23320000138 is 83100002332.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20765245 + ... + 20766367.

It is an arithmetic number, because the mean of its divisors is an integer number (796589478).

Almost surely, 2^23320000138 is an apocalyptic number.

23320000138 is a deficient number, since it is larger than the sum of its proper divisors (14916294806).

23320000138 is a wasteful number, since it uses less digits than its factorization.

23320000138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The spelling of 23320000138 in words is "twenty-three billion, three hundred twenty million, one hundred thirty-eight", and thus it is an aban number.