23643712 has 28 divisors (see below), whose sum is σ = 47493936. Its totient is φ = 11676800.

The previous prime is 23643709. The next prime is 23643713. The reversal of 23643712 is 21734632.

It is not an unprimeable number, because it can be changed into a prime (23643713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3087 + ... + 7537.

It is an arithmetic number, because the mean of its divisors is an integer number (1696212).

Almost surely, 2^23643712 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 23643712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23746968).

23643712 is an abundant number, since it is smaller than the sum of its proper divisors (23850224).

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

23643712 is an equidigital number, since it uses as much as digits as its factorization.

23643712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546 (or 4536 counting only the distinct ones).

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

The square root of 23643712 is about 4862.4800256659. The cubic root of 23643712 is about 287.0154135473.

The spelling of 23643712 in words is "twenty-three million, six hundred forty-three thousand, seven hundred twelve".