320343743456017 has 8 divisors (see below), whose sum is σ = 320661216270720. Its totient is φ = 320026288246320.

The previous prime is 320343743455993. The next prime is 320343743456039. The reversal of 320343743456017 is 710654347343023.

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 320343743456017 - 2³¹ = 320341595972369 is a prime.

It is a super-2 number, since 2×320343743456017² (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 (320343743456417) 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, 32159523 + ... + 40925815.

It is an arithmetic number, because the mean of its divisors is an integer number (40082652033840).

Almost surely, 2^{320343743456017} is an apocalyptic number.

It is an amenable number.

320343743456017 is a deficient number, since it is larger than the sum of its proper divisors (317472814703).

320343743456017 is a wasteful number, since it uses less digits than its factorization.

320343743456017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8802503.

The product of its (nonzero) digits is 15240960, while the sum is 52.

The spelling of 320343743456017 in words is "three hundred twenty trillion, three hundred forty-three billion, seven hundred forty-three million, four hundred fifty-six thousand, seventeen".