23617968 has 80 divisors (see below), whose sum is σ = 68245632. Its totient is φ = 6976000.

The previous prime is 23617961. The next prime is 23617991. The reversal of 23617968 is 86971632.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23617961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21103 + ... + 22193.

Almost surely, 2^23617968 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 23617968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34122816).

23617968 is an abundant number, since it is smaller than the sum of its proper divisors (44627664).

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

23617968 is a wasteful number, since it uses less digits than its factorization.

23617968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1148 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 23617968 is about 4859.8320958650. The cubic root of 23617968 is about 286.9112053165.

The spelling of 23617968 in words is "twenty-three million, six hundred seventeen thousand, nine hundred sixty-eight".