23315712 has 72 divisors (see below), whose sum is σ = 70934976. Its totient is φ = 6660096.

The previous prime is 23315693. The next prime is 23315723. The reversal of 23315712 is 21751332.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 3208 + ... + 7544.

It is an arithmetic number, because the mean of its divisors is an integer number (985208).

Almost surely, 2^23315712 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 23315712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35467488).

23315712 is an abundant number, since it is smaller than the sum of its proper divisors (47619264).

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

23315712 is an equidigital number, since it uses as much as digits as its factorization.

23315712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363 (or 4349 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 23315712 is about 4828.6345896123. The cubic root of 23315712 is about 285.6820108305.

The spelling of 23315712 in words is "twenty-three million, three hundred fifteen thousand, seven hundred twelve".