23109992 has 8 divisors (see below), whose sum is σ = 43331250. Its totient is φ = 11554992.

The previous prime is 23109979. The next prime is 23110027. The reversal of 23109992 is 29990132.

It can be written as a sum of positive squares in only one way, i.e., 13586596 + 9523396 = 3686^2 + 3086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444367 + ... + 1444382.

Almost surely, 2^23109992 is an apocalyptic number.

It is an amenable number.

23109992 is a deficient number, since it is larger than the sum of its proper divisors (20221258).

23109992 is a wasteful number, since it uses less digits than its factorization.

23109992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888755 (or 2888751 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 23109992 is about 4807.2853046184. The cubic root of 23109992 is about 284.8393143661.

The spelling of 23109992 in words is "twenty-three million, one hundred nine thousand, nine hundred ninety-two".