323738213 has 2 divisors, whose sum is σ = 323738214. Its totient is φ = 323738212.

The previous prime is 323738201. The next prime is 323738227. The reversal of 323738213 is 312837323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244046884 + 79691329 = 15622^2 + 8927^2 .

It is a cyclic number.

It is not a de Polignac number, because 323738213 - 2¹⁶ = 323672677 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323738213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323738273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161869106 + 161869107.

It is an arithmetic number, because the mean of its divisors is an integer number (161869107).

Almost surely, 2^323738213 is an apocalyptic number.

It is an amenable number.

323738213 is a deficient number, since it is larger than the sum of its proper divisors (1).

323738213 is an equidigital number, since it uses as much as digits as its factorization.

323738213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 323738213 is about 17992.7266694073. The cubic root of 323738213 is about 686.6435134002.

The spelling of 323738213 in words is "three hundred twenty-three million, seven hundred thirty-eight thousand, two hundred thirteen".