323043013 has 2 divisors, whose sum is σ = 323043014. Its totient is φ = 323043012.

The previous prime is 323043001. The next prime is 323043029. The reversal of 323043013 is 310340323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194379364 + 128663649 = 13942^2 + 11343^2 .

It is an emirp because it is prime and its reverse (310340323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323043013 - 2⁹ = 323042501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323043313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161521506 + 161521507.

It is an arithmetic number, because the mean of its divisors is an integer number (161521507).

Almost surely, 2^323043013 is an apocalyptic number.

It is an amenable number.

323043013 is a deficient number, since it is larger than the sum of its proper divisors (1).

323043013 is an equidigital number, since it uses as much as digits as its factorization.

323043013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 323043013 is about 17973.3973694458. The cubic root of 323043013 is about 686.1516585081.

Adding to 323043013 its reverse (310340323), we get a palindrome (633383336).

The spelling of 323043013 in words is "three hundred twenty-three million, forty-three thousand, thirteen".