320023100433 has 4 divisors (see below), whose sum is σ = 426697467248. Its totient is φ = 213348733620.

The previous prime is 320023100417. The next prime is 320023100443. The reversal of 320023100433 is 334001320023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 320023100433 - 2⁴ = 320023100417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320023100443) 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, 53337183403 + ... + 53337183408.

It is an arithmetic number, because the mean of its divisors is an integer number (106674366812).

Almost surely, 2^320023100433 is an apocalyptic number.

It is an amenable number.

320023100433 is a deficient number, since it is larger than the sum of its proper divisors (106674366815).

320023100433 is a wasteful number, since it uses less digits than its factorization.

320023100433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106674366814.

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

Adding to 320023100433 its reverse (334001320023), we get a palindrome (654024420456).

The spelling of 320023100433 in words is "three hundred twenty billion, twenty-three million, one hundred thousand, four hundred thirty-three".