320220430323 has 8 divisors (see below), whose sum is σ = 426992341248. Its totient is φ = 213464403144.

The previous prime is 320220430319. The next prime is 320220430333. The reversal of 320220430323 is 323034022023.

It is a happy number.

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

It is not a de Polignac number, because 320220430323 - 2² = 320220430319 is a prime.

It is a super-2 number, since 2×320220430323² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320220430293 and 320220430302.

It is not an unprimeable number, because it can be changed into a prime (320220430333) 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, 3923815 + ... + 4004592.

It is an arithmetic number, because the mean of its divisors is an integer number (53374042656).

Almost surely, 2^320220430323 is an apocalyptic number.

320220430323 is a deficient number, since it is larger than the sum of its proper divisors (106771910925).

320220430323 is a wasteful number, since it uses less digits than its factorization.

320220430323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7941873.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 320220430323 its reverse (323034022023), we get a palindrome (643254452346).

The spelling of 320220430323 in words is "three hundred twenty billion, two hundred twenty million, four hundred thirty thousand, three hundred twenty-three".