323213153 has 2 divisors, whose sum is σ = 323213154. Its totient is φ = 323213152.

The previous prime is 323213141. The next prime is 323213171. The reversal of 323213153 is 351312323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244234384 + 78978769 = 15628^2 + 8887^2 .

It is an emirp because it is prime and its reverse (351312323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323213153 - 2²⁴ = 306435937 is a prime.

It is not a weakly prime, because it can be changed into another prime (323213113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606576 + 161606577.

It is an arithmetic number, because the mean of its divisors is an integer number (161606577).

Almost surely, 2^323213153 is an apocalyptic number.

It is an amenable number.

323213153 is a deficient number, since it is larger than the sum of its proper divisors (1).

323213153 is an equidigital number, since it uses as much as digits as its factorization.

323213153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 23.

The square root of 323213153 is about 17978.1298526849. The cubic root of 323213153 is about 686.2720979433.

Adding to 323213153 its reverse (351312323), we get a palindrome (674525476).

The spelling of 323213153 in words is "three hundred twenty-three million, two hundred thirteen thousand, one hundred fifty-three".