23568216 has 80 divisors (see below), whose sum is σ = 68904600. Its totient is φ = 6717312.

The previous prime is 23568211. The next prime is 23568221. The reversal of 23568216 is 61286532.

It is an interprime number because it is at equal distance from previous prime (23568211) and next prime (23568221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23568211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57420 + ... + 57828.

Almost surely, 2^23568216 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 23568216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34452300).

23568216 is an abundant number, since it is smaller than the sum of its proper divisors (45336384).

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

23568216 is an equidigital number, since it uses as much as digits as its factorization.

23568216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 421 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 23568216 is about 4854.7107019883. The cubic root of 23568216 is about 286.7096011650.

The spelling of 23568216 in words is "twenty-three million, five hundred sixty-eight thousand, two hundred sixteen".