23717013 has 4 divisors (see below), whose sum is σ = 31622688. Its totient is φ = 15811340.

The previous prime is 23717009. The next prime is 23717021. The reversal of 23717013 is 31071732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23717013 - 2² = 23717009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23717003) 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 3 ways as a sum of consecutive naturals, for example, 3952833 + ... + 3952838.

It is an arithmetic number, because the mean of its divisors is an integer number (7905672).

Almost surely, 2^23717013 is an apocalyptic number.

It is an amenable number.

23717013 is a deficient number, since it is larger than the sum of its proper divisors (7905675).

23717013 is an equidigital number, since it uses as much as digits as its factorization.

23717013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905674.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 23717013 is about 4870.0116016289. The cubic root of 23717013 is about 287.3117123796.

Adding to 23717013 its reverse (31071732), we get a palindrome (54788745).

The spelling of 23717013 in words is "twenty-three million, seven hundred seventeen thousand, thirteen".