13523404340317 has 2 divisors, whose sum is σ = 13523404340318. Its totient is φ = 13523404340316.

The previous prime is 13523404340309. The next prime is 13523404340399. The reversal of 13523404340317 is 71304340432531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12128704751641 + 1394699588676 = 3482629^2 + 1180974^2 .

It is a cyclic number.

It is not a de Polignac number, because 13523404340317 - 2³ = 13523404340309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13523404340317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13523404349317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761702170158 + 6761702170159.

It is an arithmetic number, because the mean of its divisors is an integer number (6761702170159).

Almost surely, 2^{13523404340317} is an apocalyptic number.

It is an amenable number.

13523404340317 is a deficient number, since it is larger than the sum of its proper divisors (1).

13523404340317 is an equidigital number, since it uses as much as digits as its factorization.

13523404340317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 40.

Adding to 13523404340317 its reverse (71304340432531), we get a palindrome (84827744772848).

The spelling of 13523404340317 in words is "thirteen trillion, five hundred twenty-three billion, four hundred four million, three hundred forty thousand, three hundred seventeen".