323412431 has 2 divisors, whose sum is σ = 323412432. Its totient is φ = 323412430.

The previous prime is 323412421. The next prime is 323412443. The reversal of 323412431 is 134214323.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323412431 is a prime.

It is a super-2 number, since 2×323412431² = 209191201050659522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 323412397 and 323412406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323412421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161706215 + 161706216.

It is an arithmetic number, because the mean of its divisors is an integer number (161706216).

Almost surely, 2^323412431 is an apocalyptic number.

323412431 is a deficient number, since it is larger than the sum of its proper divisors (1).

323412431 is an equidigital number, since it uses as much as digits as its factorization.

323412431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 323412431 is about 17983.6712325376. The cubic root of 323412431 is about 686.4131099793.

Adding to 323412431 its reverse (134214323), we get a palindrome (457626754).

The spelling of 323412431 in words is "three hundred twenty-three million, four hundred twelve thousand, four hundred thirty-one".