517143151712123 has 8 divisors (see below), whose sum is σ = 528149950588992. Its totient is φ = 506136509214336.

The previous prime is 517143151712107. The next prime is 517143151712171. The reversal of 517143151712123 is 321217151341715.

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 517143151712123 - 2⁴ = 517143151712107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (517143151712183) 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, 32398340 + ... + 45650177.

It is an arithmetic number, because the mean of its divisors is an integer number (66018743823624).

Almost surely, 2^{517143151712123} is an apocalyptic number.

517143151712123 is a deficient number, since it is larger than the sum of its proper divisors (11006798876869).

517143151712123 is a wasteful number, since it uses less digits than its factorization.

517143151712123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78189541.

The product of its digits is 176400, while the sum is 44.

The spelling of 517143151712123 in words is "five hundred seventeen trillion, one hundred forty-three billion, one hundred fifty-one million, seven hundred twelve thousand, one hundred twenty-three".