320324131323 has 24 divisors (see below), whose sum is σ = 528816178176. Its totient is φ = 183032967600.

The previous prime is 320324131319. The next prime is 320324131433. The reversal of 320324131323 is 323131423023.

320324131323 is a `hidden beast` number, since 3 + 2 + 0 + 324 + 1 + 313 + 23 = 666.

It is not a de Polignac number, because 320324131323 - 2² = 320324131319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320324139323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1216438 + ... + 1456148.

It is an arithmetic number, because the mean of its divisors is an integer number (22034007424).

Almost surely, 2^320324131323 is an apocalyptic number.

320324131323 is a deficient number, since it is larger than the sum of its proper divisors (208492046853).

320324131323 is a wasteful number, since it uses less digits than its factorization.

320324131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260935 (or 260932 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 320324131323 its reverse (323131423023), we get a palindrome (643455554346).

The spelling of 320324131323 in words is "three hundred twenty billion, three hundred twenty-four million, one hundred thirty-one thousand, three hundred twenty-three".