523417251265313 has 16 divisors (see below), whose sum is σ = 532385220032640. Its totient is φ = 514524424457856.

The previous prime is 523417251265241. The next prime is 523417251265319. The reversal of 523417251265313 is 313562152714325.

It is a cyclic number.

It is not a de Polignac number, because 523417251265313 - 2¹⁸ = 523417251003169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523417251265319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264257798 + ... + 266231136.

It is an arithmetic number, because the mean of its divisors is an integer number (33274076252040).

Almost surely, 2^{523417251265313} is an apocalyptic number.

It is an amenable number.

523417251265313 is a deficient number, since it is larger than the sum of its proper divisors (8967968767327).

523417251265313 is a wasteful number, since it uses less digits than its factorization.

523417251265313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992376.

The product of its digits is 4536000, while the sum is 50.

The spelling of 523417251265313 in words is "five hundred twenty-three trillion, four hundred seventeen billion, two hundred fifty-one million, two hundred sixty-five thousand, three hundred thirteen".