320123522326460 has 12 divisors (see below), whose sum is σ = 672259396885608. Its totient is φ = 128049408930576.

The previous prime is 320123522326453. The next prime is 320123522326471. The reversal of 320123522326460 is 64623225321023.

It is a super-2 number, since 2×320123522326460² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8003088058142 + ... + 8003088058181.

It is an arithmetic number, because the mean of its divisors is an integer number (56021616407134).

Almost surely, 2^{320123522326460} is an apocalyptic number.

It is an amenable number.

320123522326460 is an abundant number, since it is smaller than the sum of its proper divisors (352135874559148).

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

320123522326460 is a wasteful number, since it uses less digits than its factorization.

320123522326460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006176116332 (or 16006176116330 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 320123522326460 its reverse (64623225321023), we get a palindrome (384746747647483).

The spelling of 320123522326460 in words is "three hundred twenty trillion, one hundred twenty-three billion, five hundred twenty-two million, three hundred twenty-six thousand, four hundred sixty".