320013223230 has 64 divisors (see below), whose sum is σ = 775640136960. Its totient is φ = 84495580416.

The previous prime is 320013223181. The next prime is 320013223259. The reversal of 320013223230 is 32322310023.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320013223197 and 320013223206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123329 + ... + 1379091.

It is an arithmetic number, because the mean of its divisors is an integer number (12119377140).

Almost surely, 2^320013223230 is an apocalyptic number.

320013223230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320013223230 is an abundant number, since it is smaller than the sum of its proper divisors (455626913730).

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

320013223230 is a wasteful number, since it uses less digits than its factorization.

320013223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256185.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320013223230 its reverse (32322310023), we get a palindrome (352335533253).

The spelling of 320013223230 in words is "three hundred twenty billion, thirteen million, two hundred twenty-three thousand, two hundred thirty".