23531668 has 24 divisors (see below), whose sum is σ = 43307712. Its totient is φ = 11166144.

The previous prime is 23531659. The next prime is 23531681. The reversal of 23531668 is 86613532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11671 + ... + 13537.

It is an arithmetic number, because the mean of its divisors is an integer number (1804488).

Almost surely, 2^23531668 is an apocalyptic number.

It is an amenable number.

23531668 is a deficient number, since it is larger than the sum of its proper divisors (19776044).

23531668 is a wasteful number, since it uses less digits than its factorization.

23531668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2029 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 23531668 is about 4850.9450625626. The cubic root of 23531668 is about 286.5613211862.

The spelling of 23531668 in words is "twenty-three million, five hundred thirty-one thousand, six hundred sixty-eight".