323430431 has 4 divisors (see below), whose sum is σ = 332171832. Its totient is φ = 314689032.

The previous prime is 323430413. The next prime is 323430449. The reversal of 323430431 is 134034323.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (323430413) and next prime (323430449).

It is a cyclic number.

It is not a de Polignac number, because 323430431 - 2²⁶ = 256321567 is a prime.

It is a super-2 number, since 2×323430431² = 209214487393691522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323430397 and 323430406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323430461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4370645 + ... + 4370718.

It is an arithmetic number, because the mean of its divisors is an integer number (83042958).

Almost surely, 2^323430431 is an apocalyptic number.

323430431 is a deficient number, since it is larger than the sum of its proper divisors (8741401).

323430431 is an equidigital number, since it uses as much as digits as its factorization.

323430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8741400.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 323430431 is about 17984.1716795631. The cubic root of 323430431 is about 686.4258441907.

Adding to 323430431 its reverse (134034323), we get a palindrome (457464754).

The spelling of 323430431 in words is "three hundred twenty-three million, four hundred thirty thousand, four hundred thirty-one".