320423402223203 has 32 divisors (see below), whose sum is σ = 327224851080192. Its totient is φ = 313702600176000.

The previous prime is 320423402223173. The next prime is 320423402223313. The reversal of 320423402223203 is 302322204324023.

It is a cyclic number.

It is not a de Polignac number, because 320423402223203 - 2²⁴ = 320423385445987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320423402223203.

It is not an unprimeable number, because it can be changed into a prime (320423404223203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29005462226 + ... + 29005473272.

It is an arithmetic number, because the mean of its divisors is an integer number (10225776596256).

Almost surely, 2^{320423402223203} is an apocalyptic number.

320423402223203 is a deficient number, since it is larger than the sum of its proper divisors (6801448856989).

320423402223203 is a wasteful number, since it uses less digits than its factorization.

320423402223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 320423402223203 its reverse (302322204324023), we get a palindrome (622745606547226).

The spelling of 320423402223203 in words is "three hundred twenty trillion, four hundred twenty-three billion, four hundred two million, two hundred twenty-three thousand, two hundred three".