324430243 has 2 divisors, whose sum is σ = 324430244. Its totient is φ = 324430242.

The previous prime is 324430213. The next prime is 324430247. The reversal of 324430243 is 342034423.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324430243 is a prime.

It is not a weakly prime, because it can be changed into another prime (324430247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162215121 + 162215122.

It is an arithmetic number, because the mean of its divisors is an integer number (162215122).

Almost surely, 2^324430243 is an apocalyptic number.

324430243 is a deficient number, since it is larger than the sum of its proper divisors (1).

324430243 is an equidigital number, since it uses as much as digits as its factorization.

324430243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 324430243 is about 18011.9472295474. The cubic root of 324430243 is about 687.1324266737.

Adding to 324430243 its reverse (342034423), we get a palindrome (666464666).

The spelling of 324430243 in words is "three hundred twenty-four million, four hundred thirty thousand, two hundred forty-three".