317230623120 has 40 divisors (see below), whose sum is σ = 983414932416. Its totient is φ = 84594832768.

The previous prime is 317230623119. The next prime is 317230623139. The reversal of 317230623120 is 21326032713.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660896892 + ... + 660897371.

Almost surely, 2^317230623120 is an apocalyptic number.

317230623120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317230623120 is an abundant number, since it is smaller than the sum of its proper divisors (666184309296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317230623120 is a wasteful number, since it uses less digits than its factorization.

317230623120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321794279 (or 1321794273 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

Adding to 317230623120 its reverse (21326032713), we get a palindrome (338556655833).

The spelling of 317230623120 in words is "three hundred seventeen billion, two hundred thirty million, six hundred twenty-three thousand, one hundred twenty".