231223244717 has 2 divisors, whose sum is σ = 231223244718. Its totient is φ = 231223244716.

The previous prime is 231223244711. The next prime is 231223244767. The reversal of 231223244717 is 717442322132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186649056841 + 44574187876 = 432029^2 + 211126^2 .

It is a cyclic number.

It is not a de Polignac number, because 231223244717 - 2¹² = 231223240621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231223244711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611622358 + 115611622359.

It is an arithmetic number, because the mean of its divisors is an integer number (115611622359).

Almost surely, 2^231223244717 is an apocalyptic number.

It is an amenable number.

231223244717 is a deficient number, since it is larger than the sum of its proper divisors (1).

231223244717 is an equidigital number, since it uses as much as digits as its factorization.

231223244717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 38.

Adding to 231223244717 its reverse (717442322132), we get a palindrome (948665566849).

The spelling of 231223244717 in words is "two hundred thirty-one billion, two hundred twenty-three million, two hundred forty-four thousand, seven hundred seventeen".