23379918 has 32 divisors (see below), whose sum is σ = 49971840. Its totient is φ = 7270560.

The previous prime is 23379857. The next prime is 23379931. The reversal of 23379918 is 81997332.

It is a self number, because there is not a number n which added to its sum of digits gives 23379918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6108 + ... + 9168.

It is an arithmetic number, because the mean of its divisors is an integer number (1561620).

Almost surely, 2^23379918 is an apocalyptic number.

23379918 is an abundant number, since it is smaller than the sum of its proper divisors (26591922).

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

23379918 is a wasteful number, since it uses less digits than its factorization.

23379918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its digits is 81648, while the sum is 42.

The square root of 23379918 is about 4835.2784821559. The cubic root of 23379918 is about 285.9440042296.

The spelling of 23379918 in words is "twenty-three million, three hundred seventy-nine thousand, nine hundred eighteen".