320056660230503 has 4 divisors (see below), whose sum is σ = 365779040263440. Its totient is φ = 274334280197568.

The previous prime is 320056660230497. The next prime is 320056660230529. The reversal of 320056660230503 is 305032066650023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320056660230503 - 2⁸ = 320056660230247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320056660230803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22861190016458 + ... + 22861190016471.

It is an arithmetic number, because the mean of its divisors is an integer number (91444760065860).

Almost surely, 2^{320056660230503} is an apocalyptic number.

320056660230503 is a deficient number, since it is larger than the sum of its proper divisors (45722380032937).

320056660230503 is an equidigital number, since it uses as much as digits as its factorization.

320056660230503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45722380032936.

The product of its (nonzero) digits is 583200, while the sum is 41.

The spelling of 320056660230503 in words is "three hundred twenty trillion, fifty-six billion, six hundred sixty million, two hundred thirty thousand, five hundred three".