23412736 has 30 divisors (see below), whose sum is σ = 46856810. Its totient is φ = 11698176.

The previous prime is 23412733. The next prime is 23412737. The reversal of 23412736 is 63721432.

It can be written as a sum of positive squares in only one way, i.e., 14745600 + 8667136 = 3840^2 + 2944^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23412733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670 + ... + 17098.

Almost surely, 2^23412736 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 23412736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23428405).

23412736 is an abundant number, since it is smaller than the sum of its proper divisors (23444074).

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

23412736 is an frugal number, since it uses more digits than its factorization.

23412736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1431 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 23412736 is about 4838.6708918876. The cubic root of 23412736 is about 286.0777332840.

The spelling of 23412736 in words is "twenty-three million, four hundred twelve thousand, seven hundred thirty-six".