324220343 has 4 divisors (see below), whose sum is σ = 324287040. Its totient is φ = 324153648.

The previous prime is 324220297. The next prime is 324220357. The reversal of 324220343 is 343022423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343022423 = 14347 ⋅23909.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324220343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324720343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25430 + ... + 35987.

It is an arithmetic number, because the mean of its divisors is an integer number (81071760).

Almost surely, 2^324220343 is an apocalyptic number.

324220343 is a deficient number, since it is larger than the sum of its proper divisors (66697).

324220343 is an equidigital number, since it uses as much as digits as its factorization.

324220343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66696.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 324220343 is about 18006.1195986254. The cubic root of 324220343 is about 686.9842076393.

Adding to 324220343 its reverse (343022423), we get a palindrome (667242766).

The spelling of 324220343 in words is "three hundred twenty-four million, two hundred twenty thousand, three hundred forty-three".