320310020323 has 8 divisors (see below), whose sum is σ = 322067484368. Its totient is φ = 318553565184.

The previous prime is 320310020311. The next prime is 320310020333. The reversal of 320310020323 is 323020013023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320310020323 - 2⁹ = 320310019811 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 320310020323.

It is not an unprimeable number, because it can be changed into a prime (320310020333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388936 + ... + 889882.

It is an arithmetic number, because the mean of its divisors is an integer number (40258435546).

Almost surely, 2^320310020323 is an apocalyptic number.

320310020323 is a deficient number, since it is larger than the sum of its proper divisors (1757464045).

320310020323 is a wasteful number, since it uses less digits than its factorization.

320310020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504453.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 320310020323 its reverse (323020013023), we get a palindrome (643330033346).

The spelling of 320310020323 in words is "three hundred twenty billion, three hundred ten million, twenty thousand, three hundred twenty-three".