23149688 has 16 divisors (see below), whose sum is σ = 43470000. Its totient is φ = 11557696.

The previous prime is 23149681. The next prime is 23149691. The reversal of 23149688 is 88694132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23149681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4988 + ... + 8436.

It is an arithmetic number, because the mean of its divisors is an integer number (2716875).

Almost surely, 2^23149688 is an apocalyptic number.

It is an amenable number.

23149688 is a deficient number, since it is larger than the sum of its proper divisors (20320312).

23149688 is a wasteful number, since it uses less digits than its factorization.

23149688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294 (or 4290 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 23149688 is about 4811.4122666843. The cubic root of 23149688 is about 285.0023104358.

The spelling of 23149688 in words is "twenty-three million, one hundred forty-nine thousand, six hundred eighty-eight".