323040343 has 2 divisors, whose sum is σ = 323040344. Its totient is φ = 323040342.

The previous prime is 323040331. The next prime is 323040371. The reversal of 323040343 is 343040323.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323040343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323040143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161520171 + 161520172.

It is an arithmetic number, because the mean of its divisors is an integer number (161520172).

Almost surely, 2^323040343 is an apocalyptic number.

323040343 is a deficient number, since it is larger than the sum of its proper divisors (1).

323040343 is an equidigital number, since it uses as much as digits as its factorization.

323040343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 323040343 is about 17973.3230928507. The cubic root of 323040343 is about 686.1497681201.

Adding to 323040343 its reverse (343040323), we get a palindrome (666080666).

The spelling of 323040343 in words is "three hundred twenty-three million, forty thousand, three hundred forty-three".