320013223303 has 4 divisors (see below), whose sum is σ = 320014481248. Its totient is φ = 320011965360.

The previous prime is 320013223261. The next prime is 320013223307. The reversal of 320013223303 is 303322310023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 303322310023 = 211 ⋅1437546493.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320013223303 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 (320013223307) 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, 97926 + ... + 805987.

It is an arithmetic number, because the mean of its divisors is an integer number (80003620312).

Almost surely, 2^320013223303 is an apocalyptic number.

320013223303 is a deficient number, since it is larger than the sum of its proper divisors (1257945).

320013223303 is an equidigital number, since it uses as much as digits as its factorization.

320013223303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257944.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 320013223303 its reverse (303322310023), we get a palindrome (623335533326).

The spelling of 320013223303 in words is "three hundred twenty billion, thirteen million, two hundred twenty-three thousand, three hundred three".