22723968 has 96 divisors (see below), whose sum is σ = 65012760. Its totient is φ = 7008256.

The previous prime is 22723949. The next prime is 22723973. The reversal of 22723968 is 86932722.

It is a tau number, because it is divible by the number of its divisors (96).

Its product of digits (72576) is a multiple of the sum of its prime divisors (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385123 + ... + 385181.

Almost surely, 2^22723968 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 22723968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32506380).

22723968 is an abundant number, since it is smaller than the sum of its proper divisors (42288792).

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

22723968 is an equidigital number, since it uses as much as digits as its factorization.

22723968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 81 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 22723968 is about 4766.9663309069. The cubic root of 22723968 is about 283.2444374713.

The spelling of 22723968 in words is "twenty-two million, seven hundred twenty-three thousand, nine hundred sixty-eight".