323431123 has 2 divisors, whose sum is σ = 323431124. Its totient is φ = 323431122.

The previous prime is 323431117. The next prime is 323431133. The reversal of 323431123 is 321134323.

It is a weak prime.

It is an emirp because it is prime and its reverse (321134323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323431123 is a prime.

It is a super-2 number, since 2×323431123² = 209215382650082258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323431094 and 323431103.

It is not a weakly prime, because it can be changed into another prime (323431133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161715561 + 161715562.

It is an arithmetic number, because the mean of its divisors is an integer number (161715562).

Almost surely, 2^323431123 is an apocalyptic number.

323431123 is a deficient number, since it is larger than the sum of its proper divisors (1).

323431123 is an equidigital number, since it uses as much as digits as its factorization.

323431123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 22.

The square root of 323431123 is about 17984.1909186930. The cubic root of 323431123 is about 686.4263337410.

Adding to 323431123 its reverse (321134323), we get a palindrome (644565446).

The spelling of 323431123 in words is "three hundred twenty-three million, four hundred thirty-one thousand, one hundred twenty-three".