320351323 has 2 divisors, whose sum is σ = 320351324. Its totient is φ = 320351322.

The previous prime is 320351279. The next prime is 320351351. The reversal of 320351323 is 323153023.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (323153023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320351323 - 2¹³ = 320343131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320351294 and 320351303.

It is not a weakly prime, because it can be changed into another prime (320351363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160175661 + 160175662.

It is an arithmetic number, because the mean of its divisors is an integer number (160175662).

Almost surely, 2^320351323 is an apocalyptic number.

320351323 is a deficient number, since it is larger than the sum of its proper divisors (1).

320351323 is an equidigital number, since it uses as much as digits as its factorization.

320351323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 320351323 is about 17898.3609026078. The cubic root of 320351323 is about 684.2406012377.

The spelling of 320351323 in words is "three hundred twenty million, three hundred fifty-one thousand, three hundred twenty-three".