324120403 has 2 divisors, whose sum is σ = 324120404. Its totient is φ = 324120402.

The previous prime is 324120371. The next prime is 324120431. The reversal of 324120403 is 304021423.

It is a strong prime.

It is an emirp because it is prime and its reverse (304021423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324120403 - 2⁵ = 324120371 is a prime.

It is not a weakly prime, because it can be changed into another prime (324820403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162060201 + 162060202.

It is an arithmetic number, because the mean of its divisors is an integer number (162060202).

Almost surely, 2^324120403 is an apocalyptic number.

324120403 is a deficient number, since it is larger than the sum of its proper divisors (1).

324120403 is an equidigital number, since it uses as much as digits as its factorization.

324120403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 324120403 is about 18003.3442171170. The cubic root of 324120403 is about 686.9136134083.

Adding to 324120403 its reverse (304021423), we get a palindrome (628141826).

The spelling of 324120403 in words is "three hundred twenty-four million, one hundred twenty thousand, four hundred three".