320313023 has 2 divisors, whose sum is σ = 320313024. Its totient is φ = 320313022.

The previous prime is 320313017. The next prime is 320313043.

320313023 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320313023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320312992 and 320313010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320313043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160156511 + 160156512.

It is an arithmetic number, because the mean of its divisors is an integer number (160156512).

Almost surely, 2^320313023 is an apocalyptic number.

320313023 is a deficient number, since it is larger than the sum of its proper divisors (1).

320313023 is an equidigital number, since it uses as much as digits as its factorization.

320313023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 320313023 is about 17897.2909402513. The cubic root of 320313023 is about 684.2133317395.

The spelling of 320313023 in words is "three hundred twenty million, three hundred thirteen thousand, twenty-three".