320122523503564 has 12 divisors (see below), whose sum is σ = 578285848909888. Its totient is φ = 154897995243600.

The previous prime is 320122523503537. The next prime is 320122523503589. The reversal of 320122523503564 is 465305325221023.

It is a self number, because there is not a number n which added to its sum of digits gives 320122523503564.

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, 1290816626907 + ... + 1290816627154.

Almost surely, 2^{320122523503564} is an apocalyptic number.

It is an amenable number.

320122523503564 is a deficient number, since it is larger than the sum of its proper divisors (258163325406324).

320122523503564 is a wasteful number, since it uses less digits than its factorization.

320122523503564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581633254096 (or 2581633254094 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 320122523503564 its reverse (465305325221023), we get a palindrome (785427848724587).

The spelling of 320122523503564 in words is "three hundred twenty trillion, one hundred twenty-two billion, five hundred twenty-three million, five hundred three thousand, five hundred sixty-four".