23569916 has 12 divisors (see below), whose sum is σ = 42253680. Its totient is φ = 11497440.

The previous prime is 23569907. The next prime is 23569921. The reversal of 23569916 is 61996532.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71696 + ... + 72023.

It is an arithmetic number, because the mean of its divisors is an integer number (3521140).

Almost surely, 2^23569916 is an apocalyptic number.

It is an amenable number.

23569916 is a deficient number, since it is larger than the sum of its proper divisors (18683764).

23569916 is a wasteful number, since it uses less digits than its factorization.

23569916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143764 (or 143762 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 23569916 is about 4854.8857865041. The cubic root of 23569916 is about 286.7164945535.

The spelling of 23569916 in words is "twenty-three million, five hundred sixty-nine thousand, nine hundred sixteen".