23965116 has 72 divisors (see below), whose sum is σ = 66361680. Its totient is φ = 6709248.

The previous prime is 23965093. The next prime is 23965133. The reversal of 23965116 is 61156932.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30780 + ... + 31548.

It is an arithmetic number, because the mean of its divisors is an integer number (921690).

Almost surely, 2^23965116 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 23965116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33180840).

23965116 is an abundant number, since it is smaller than the sum of its proper divisors (42396564).

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

23965116 is a wasteful number, since it uses less digits than its factorization.

23965116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 834 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 23965116 is about 4895.4178575480. The cubic root of 23965116 is about 288.3100923126.

The spelling of 23965116 in words is "twenty-three million, nine hundred sixty-five thousand, one hundred sixteen".