321232131323 has 2 divisors, whose sum is σ = 321232131324. Its totient is φ = 321232131322.

The previous prime is 321232131289. The next prime is 321232131343. The reversal of 321232131323 is 323131232123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321232131323 - 2¹⁰ = 321232130299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321232131292 and 321232131301.

It is not a weakly prime, because it can be changed into another prime (321232131343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160616065661 + 160616065662.

It is an arithmetic number, because the mean of its divisors is an integer number (160616065662).

Almost surely, 2^321232131323 is an apocalyptic number.

321232131323 is a deficient number, since it is larger than the sum of its proper divisors (1).

321232131323 is an equidigital number, since it uses as much as digits as its factorization.

321232131323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 26.

Adding to 321232131323 its reverse (323131232123), we get a palindrome (644363363446).

The spelling of 321232131323 in words is "three hundred twenty-one billion, two hundred thirty-two million, one hundred thirty-one thousand, three hundred twenty-three".