23231713 has 4 divisors (see below), whose sum is σ = 23315860. Its totient is φ = 23147568.

The previous prime is 23231693. The next prime is 23231723. The reversal of 23231713 is 31713232.

It is a happy number.

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 3411409 + 19820304 = 1847^2 + 4452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23231713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23231723) 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, 41658 + ... + 42211.

It is an arithmetic number, because the mean of its divisors is an integer number (5828965).

Almost surely, 2^23231713 is an apocalyptic number.

It is an amenable number.

23231713 is a deficient number, since it is larger than the sum of its proper divisors (84147).

23231713 is an equidigital number, since it uses as much as digits as its factorization.

23231713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84146.

The product of its digits is 756, while the sum is 22.

The square root of 23231713 is about 4819.9287339130. The cubic root of 23231713 is about 285.3385245887.

Adding to 23231713 its reverse (31713232), we get a palindrome (54944945).

The spelling of 23231713 in words is "twenty-three million, two hundred thirty-one thousand, seven hundred thirteen".