324123389 has 2 divisors, whose sum is σ = 324123390. Its totient is φ = 324123388.

The previous prime is 324123341. The next prime is 324123391. The reversal of 324123389 is 983321423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183819364 + 140304025 = 13558^2 + 11845^2 .

It is a cyclic number.

It is not a de Polignac number, because 324123389 - 2⁸ = 324123133 is a prime.

Together with 324123391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324123329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162061694 + 162061695.

It is an arithmetic number, because the mean of its divisors is an integer number (162061695).

Almost surely, 2^324123389 is an apocalyptic number.

It is an amenable number.

324123389 is a deficient number, since it is larger than the sum of its proper divisors (1).

324123389 is an equidigital number, since it uses as much as digits as its factorization.

324123389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 324123389 is about 18003.4271459631. The cubic root of 324123389 is about 686.9157228279.

The spelling of 324123389 in words is "three hundred twenty-four million, one hundred twenty-three thousand, three hundred eighty-nine".