320322323 has 4 divisors (see below), whose sum is σ = 321454488. Its totient is φ = 319190160.

The previous prime is 320322307. The next prime is 320322341. The reversal of 320322323 is 323223023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323223023 = 17 ⋅19013119.

It is a cyclic number.

It is not a de Polignac number, because 320322323 - 2⁴ = 320322307 is a prime.

It is a super-2 number, since 2×320322323² = 205212781224232658, 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 = 320322295 and 320322304.

It is not an unprimeable number, because it can be changed into a prime (320322923) 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, 565658 + ... + 566223.

It is an arithmetic number, because the mean of its divisors is an integer number (80363622).

Almost surely, 2^320322323 is an apocalyptic number.

320322323 is a deficient number, since it is larger than the sum of its proper divisors (1132165).

320322323 is a wasteful number, since it uses less digits than its factorization.

320322323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132164.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 320322323 is about 17897.5507542233. The cubic root of 320322323 is about 684.2199535146.

Adding to 320322323 its reverse (323223023), we get a palindrome (643545346).

The spelling of 320322323 in words is "three hundred twenty million, three hundred twenty-two thousand, three hundred twenty-three".