320332423 has 4 divisors (see below), whose sum is σ = 320368320. Its totient is φ = 320296528.

The previous prime is 320332379. The next prime is 320332451. The reversal of 320332423 is 324233023.

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.

It is a cyclic number.

It is not a de Polignac number, because 320332423 - 2⁹ = 320331911 is a prime.

It is a super-2 number, since 2×320332423² = 205225722450101858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320332394 and 320332403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320332483) 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, 6963 + ... + 26251.

It is an arithmetic number, because the mean of its divisors is an integer number (80092080).

Almost surely, 2^320332423 is an apocalyptic number.

320332423 is a deficient number, since it is larger than the sum of its proper divisors (35897).

320332423 is a wasteful number, since it uses less digits than its factorization.

320332423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35896.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 320332423 is about 17897.8329135122. The cubic root of 320332423 is about 684.2271447595.

Adding to 320332423 its reverse (324233023), we get a palindrome (644565446).

The spelling of 320332423 in words is "three hundred twenty million, three hundred thirty-two thousand, four hundred twenty-three".