523561660641317 has 8 divisors (see below), whose sum is σ = 523712026910016. Its totient is φ = 523411305093472.

The previous prime is 523561660641311. The next prime is 523561660641377. The reversal of 523561660641317 is 713146066165325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 523561660641317 - 2⁴ = 523561660641301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523561660641311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95521688 + ... + 100853934.

It is an arithmetic number, because the mean of its divisors is an integer number (65464003363752).

Almost surely, 2^{523561660641317} is an apocalyptic number.

It is an amenable number.

523561660641317 is a deficient number, since it is larger than the sum of its proper divisors (150366268699).

523561660641317 is a wasteful number, since it uses less digits than its factorization.

523561660641317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360427.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 523561660641317 in words is "five hundred twenty-three trillion, five hundred sixty-one billion, six hundred sixty million, six hundred forty-one thousand, three hundred seventeen".