23663713 has 4 divisors (see below), whose sum is σ = 23765508. Its totient is φ = 23561920.

The previous prime is 23663699. The next prime is 23663723. The reversal of 23663713 is 31736632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2347024 + 21316689 = 1532^2 + 4617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23663713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23663723) 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, 50548 + ... + 51013.

It is an arithmetic number, because the mean of its divisors is an integer number (5941377).

Almost surely, 2^23663713 is an apocalyptic number.

It is an amenable number.

23663713 is a deficient number, since it is larger than the sum of its proper divisors (101795).

23663713 is a wasteful number, since it uses less digits than its factorization.

23663713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101794.

The product of its digits is 13608, while the sum is 31.

The square root of 23663713 is about 4864.5362574453. The cubic root of 23663713 is about 287.0963226889.

The spelling of 23663713 in words is "twenty-three million, six hundred sixty-three thousand, seven hundred thirteen".