323322149 has 2 divisors, whose sum is σ = 323322150. Its totient is φ = 323322148.

The previous prime is 323322127. The next prime is 323322163. The reversal of 323322149 is 941223323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304677025 + 18645124 = 17455^2 + 4318^2 .

It is an emirp because it is prime and its reverse (941223323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323322149 - 2⁸ = 323321893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323322119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161661074 + 161661075.

It is an arithmetic number, because the mean of its divisors is an integer number (161661075).

Almost surely, 2^323322149 is an apocalyptic number.

It is an amenable number.

323322149 is a deficient number, since it is larger than the sum of its proper divisors (1).

323322149 is an equidigital number, since it uses as much as digits as its factorization.

323322149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 323322149 is about 17981.1609469467. The cubic root of 323322149 is about 686.3492322907.

The spelling of 323322149 in words is "three hundred twenty-three million, three hundred twenty-two thousand, one hundred forty-nine".