23643768 has 32 divisors (see below), whose sum is σ = 59265360. Its totient is φ = 7860480.

The previous prime is 23643721. The next prime is 23643769. The reversal of 23643768 is 86734632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23643769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9996 + ... + 12132.

Almost surely, 2^23643768 is an apocalyptic number.

It is an amenable number.

23643768 is an abundant number, since it is smaller than the sum of its proper divisors (35621592).

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

23643768 is a wasteful number, since it uses less digits than its factorization.

23643768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607 (or 2603 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 23643768 is about 4862.4857840409. The cubic root of 23643768 is about 287.0156401453.

The spelling of 23643768 in words is "twenty-three million, six hundred forty-three thousand, seven hundred sixty-eight".