23149533970 has 16 divisors (see below), whose sum is σ = 41675990400. Its totient is φ = 9258295984.

The previous prime is 23149533931. The next prime is 23149533989. The reversal of 23149533970 is 7933594132.

It is a self number, because there is not a number n which added to its sum of digits gives 23149533970.

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, 124570 + ... + 248629.

It is an arithmetic number, because the mean of its divisors is an integer number (2604749400).

Almost surely, 2^23149533970 is an apocalyptic number.

23149533970 is a deficient number, since it is larger than the sum of its proper divisors (18526456430).

23149533970 is a wasteful number, since it uses less digits than its factorization.

23149533970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379409.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 23149533970 in words is "twenty-three billion, one hundred forty-nine million, five hundred thirty-three thousand, nine hundred seventy".