320532323 has 2 divisors, whose sum is σ = 320532324. Its totient is φ = 320532322.

The previous prime is 320532307. The next prime is 320532349. The reversal of 320532323 is 323235023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320532323 - 2⁴ = 320532307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (320532353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160266161 + 160266162.

It is an arithmetic number, because the mean of its divisors is an integer number (160266162).

Almost surely, 2^320532323 is an apocalyptic number.

320532323 is a deficient number, since it is larger than the sum of its proper divisors (1).

320532323 is an equidigital number, since it uses as much as digits as its factorization.

320532323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 320532323 is about 17903.4165175254. The cubic root of 320532323 is about 684.3694433582.

Adding to 320532323 its reverse (323235023), we get a palindrome (643767346).

The spelling of 320532323 in words is "three hundred twenty million, five hundred thirty-two thousand, three hundred twenty-three".