517103617725323 has 4 divisors (see below), whose sum is σ = 519422468029248. Its totient is φ = 514784767421400.

The previous prime is 517103617725313. The next prime is 517103617725329. The reversal of 517103617725323 is 323527716301715.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 517103617725323 - 2⁸ = 517103617725067 is a prime.

It is a super-2 number, since 2×517103617725323² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (517103617725329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159425151628 + ... + 1159425152073.

It is an arithmetic number, because the mean of its divisors is an integer number (129855617007312).

Almost surely, 2^{517103617725323} is an apocalyptic number.

517103617725323 is a deficient number, since it is larger than the sum of its proper divisors (2318850303925).

517103617725323 is a wasteful number, since it uses less digits than its factorization.

517103617725323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318850303924.

The product of its (nonzero) digits is 5556600, while the sum is 53.

The spelling of 517103617725323 in words is "five hundred seventeen trillion, one hundred three billion, six hundred seventeen million, seven hundred twenty-five thousand, three hundred twenty-three".