23396568 has 128 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 6681600.

The previous prime is 23396567. The next prime is 23396579. The reversal of 23396568 is 86569332.

It is a Cunningham number, because it is equal to 4837²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23396563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396523 + ... + 396581.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^23396568 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 23396568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33868800).

23396568 is an abundant number, since it is smaller than the sum of its proper divisors (44341032).

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

23396568 is a wasteful number, since it uses less digits than its factorization.

23396568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 149 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 23396568 is about 4836.9998966301. Note that the first 3 decimals coincide. The cubic root of 23396568 is about 286.0118664286.

The spelling of 23396568 in words is "twenty-three million, three hundred ninety-six thousand, five hundred sixty-eight".