320222323 has 4 divisors (see below), whose sum is σ = 325649880. Its totient is φ = 314794768.

The previous prime is 320222297. The next prime is 320222339. The reversal of 320222323 is 323222023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320222323 is a prime.

It is a super-2 number, since 2×320222323² = 205084672295032658, which contains 22 as substring.

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 320222323.

It is not an unprimeable number, because it can be changed into a prime (320222363) 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, 2713690 + ... + 2713807.

It is an arithmetic number, because the mean of its divisors is an integer number (81412470).

Almost surely, 2^320222323 is an apocalyptic number.

320222323 is a deficient number, since it is larger than the sum of its proper divisors (5427557).

320222323 is an equidigital number, since it uses as much as digits as its factorization.

320222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427556.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 320222323 is about 17894.7568578061. The cubic root of 320222323 is about 684.1487449102.

Adding to 320222323 its reverse (323222023), we get a palindrome (643444346).

The spelling of 320222323 in words is "three hundred twenty million, two hundred twenty-two thousand, three hundred twenty-three".