23643763 has 12 divisors (see below), whose sum is σ = 27989584. Its totient is φ = 19839600.

The previous prime is 23643721. The next prime is 23643769. The reversal of 23643763 is 36734632.

It is a de Polignac number, because none of the positive numbers 2^k-23643763 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5943 + ... + 9088.

Almost surely, 2^23643763 is an apocalyptic number.

23643763 is a deficient number, since it is larger than the sum of its proper divisors (4345821).

23643763 is a wasteful number, since it uses less digits than its factorization.

23643763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066 (or 15055 counting only the distinct ones).

The product of its digits is 54432, while the sum is 34.

The square root of 23643763 is about 4862.4852699006. The cubic root of 23643763 is about 287.0156199133.

The spelling of 23643763 in words is "twenty-three million, six hundred forty-three thousand, seven hundred sixty-three".