13231313723 has 2 divisors, whose sum is σ = 13231313724. Its totient is φ = 13231313722.

The previous prime is 13231313699. The next prime is 13231313731. The reversal of 13231313723 is 32731313231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13231313723 - 2⁸ = 13231313467 is a prime.

It is not a weakly prime, because it can be changed into another prime (13231313773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615656861 + 6615656862.

It is an arithmetic number, because the mean of its divisors is an integer number (6615656862).

Almost surely, 2^13231313723 is an apocalyptic number.

13231313723 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231313723 is an equidigital number, since it uses as much as digits as its factorization.

13231313723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 29.

Adding to 13231313723 its reverse (32731313231), we get a palindrome (45962626954).

The spelling of 13231313723 in words is "thirteen billion, two hundred thirty-one million, three hundred thirteen thousand, seven hundred twenty-three".