324423149 has 2 divisors, whose sum is σ = 324423150. Its totient is φ = 324423148.

The previous prime is 324423109. The next prime is 324423161. The reversal of 324423149 is 941324423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298667524 + 25755625 = 17282^2 + 5075^2 .

It is a cyclic number.

It is not a de Polignac number, because 324423149 - 2⁸ = 324422893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324423109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162211574 + 162211575.

It is an arithmetic number, because the mean of its divisors is an integer number (162211575).

Almost surely, 2^324423149 is an apocalyptic number.

It is an amenable number.

324423149 is a deficient number, since it is larger than the sum of its proper divisors (1).

324423149 is an equidigital number, since it uses as much as digits as its factorization.

324423149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 32.

The square root of 324423149 is about 18011.7503036212. The cubic root of 324423149 is about 687.1274183521.

The spelling of 324423149 in words is "three hundred twenty-four million, four hundred twenty-three thousand, one hundred forty-nine".