320130323 has 4 divisors (see below), whose sum is σ = 320870088. Its totient is φ = 319390560.

The previous prime is 320130287. The next prime is 320130341. The reversal of 320130323 is 323031023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323031023 = 7 ⋅46147289.

It is a cyclic number.

It is not a de Polignac number, because 320130323 - 2¹² = 320126227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320135323) 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 in 3 ways as a sum of consecutive naturals, for example, 369233 + ... + 370098.

It is an arithmetic number, because the mean of its divisors is an integer number (80217522).

Almost surely, 2^320130323 is an apocalyptic number.

320130323 is a deficient number, since it is larger than the sum of its proper divisors (739765).

320130323 is an equidigital number, since it uses as much as digits as its factorization.

320130323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739764.

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

The square root of 320130323 is about 17892.1860877870. The cubic root of 320130323 is about 684.0832198997.

Adding to 320130323 its reverse (323031023), we get a palindrome (643161346).

The spelling of 320130323 in words is "three hundred twenty million, one hundred thirty thousand, three hundred twenty-three".