23013713 has 4 divisors (see below), whose sum is σ = 23447988. Its totient is φ = 22579440.

The previous prime is 23013707. The next prime is 23013719. The reversal of 23013713 is 31731032.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (23013707) and next prime (23013719).

It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 16703569 = 2512^2 + 4087^2 .

It is a cyclic number.

It is not a de Polignac number, because 23013713 - 2⁶ = 23013649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23013719) 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, 217058 + ... + 217163.

It is an arithmetic number, because the mean of its divisors is an integer number (5861997).

Almost surely, 2^23013713 is an apocalyptic number.

It is an amenable number.

23013713 is a deficient number, since it is larger than the sum of its proper divisors (434275).

23013713 is an equidigital number, since it uses as much as digits as its factorization.

23013713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434274.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 23013713 is about 4797.2609893563. The cubic root of 23013713 is about 284.4432055215.

Adding to 23013713 its reverse (31731032), we get a palindrome (54744745).

The spelling of 23013713 in words is "twenty-three million, thirteen thousand, seven hundred thirteen".