323213141 has 2 divisors, whose sum is σ = 323213142. Its totient is φ = 323213140.

The previous prime is 323213117. The next prime is 323213153. The reversal of 323213141 is 141312323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278189041 + 45024100 = 16679^2 + 6710^2 .

It is an emirp because it is prime and its reverse (141312323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323213141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323213101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606570 + 161606571.

It is an arithmetic number, because the mean of its divisors is an integer number (161606571).

Almost surely, 2^323213141 is an apocalyptic number.

It is an amenable number.

323213141 is a deficient number, since it is larger than the sum of its proper divisors (1).

323213141 is an equidigital number, since it uses as much as digits as its factorization.

323213141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 323213141 is about 17978.1295189461. The cubic root of 323213141 is about 686.2720894501.

Adding to 323213141 its reverse (141312323), we get a palindrome (464525464).

The spelling of 323213141 in words is "three hundred twenty-three million, two hundred thirteen thousand, one hundred forty-one".