23023872 has 72 divisors (see below), whose sum is σ = 68106080. Its totient is φ = 7672320.

The previous prime is 23023853. The next prime is 23023873. The reversal of 23023872 is 27832032.

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 (27).

It is not an unprimeable number, because it can be changed into a prime (23023873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5247 + ... + 8577.

Almost surely, 2^23023872 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 23023872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34053040).

23023872 is an abundant number, since it is smaller than the sum of its proper divisors (45082208).

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

23023872 is an equidigital number, since it uses as much as digits as its factorization.

23023872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 23023872 is about 4798.3197058971. The cubic root of 23023872 is about 284.4850535192.

The spelling of 23023872 in words is "twenty-three million, twenty-three thousand, eight hundred seventy-two".