23991246 has 12 divisors (see below), whose sum is σ = 51981072. Its totient is φ = 7997076.

The previous prime is 23991223. The next prime is 23991259. The reversal of 23991246 is 64219932.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23991246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666406 + ... + 666441.

It is an arithmetic number, because the mean of its divisors is an integer number (4331756).

Almost surely, 2^23991246 is an apocalyptic number.

23991246 is an abundant number, since it is smaller than the sum of its proper divisors (27989826).

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

23991246 is a wasteful number, since it uses less digits than its factorization.

23991246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332855 (or 1332852 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 23991246 is about 4898.0859526962. The cubic root of 23991246 is about 288.4148390946.

The spelling of 23991246 in words is "twenty-three million, nine hundred ninety-one thousand, two hundred forty-six".