23391992 has 32 divisors (see below), whose sum is σ = 48518400. Its totient is φ = 10502784.

The previous prime is 23391941. The next prime is 23392007. The reversal of 23391992 is 29919332.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 809 + ... + 6887.

It is an arithmetic number, because the mean of its divisors is an integer number (1516200).

Almost surely, 2^23391992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23391992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24259200).

23391992 is an abundant number, since it is smaller than the sum of its proper divisors (25126408).

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

23391992 is a wasteful number, since it uses less digits than its factorization.

23391992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135 (or 6131 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 23391992 is about 4836.5268530217. The cubic root of 23391992 is about 285.9932187415.

The spelling of 23391992 in words is "twenty-three million, three hundred ninety-one thousand, nine hundred ninety-two".