23018976 has 72 divisors (see below), whose sum is σ = 65926224. Its totient is φ = 7618560.

The previous prime is 23018923. The next prime is 23018987. The reversal of 23018976 is 67981032.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23018976.

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, 73861 + ... + 74171.

It is an arithmetic number, because the mean of its divisors is an integer number (915642).

Almost surely, 2^23018976 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 23018976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32963112).

23018976 is an abundant number, since it is smaller than the sum of its proper divisors (42907248).

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

23018976 is a wasteful number, since it uses less digits than its factorization.

23018976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 23018976 is about 4797.8095001782. The cubic root of 23018976 is about 284.4648869495.

The spelling of 23018976 in words is "twenty-three million, eighteen thousand, nine hundred seventy-six".