324223121 has 4 divisors (see below), whose sum is σ = 332131044. Its totient is φ = 316315200.

The previous prime is 324223093. The next prime is 324223127. The reversal of 324223121 is 121322423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27040000 + 297183121 = 5200^2 + 17239^2 .

It is a cyclic number.

It is not a de Polignac number, because 324223121 - 2⁶ = 324223057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324223093 and 324223102.

It is not an unprimeable number, because it can be changed into a prime (324223127) 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 in 3 ways as a sum of consecutive naturals, for example, 3953900 + ... + 3953981.

It is an arithmetic number, because the mean of its divisors is an integer number (83032761).

Almost surely, 2^324223121 is an apocalyptic number.

It is an amenable number.

324223121 is a deficient number, since it is larger than the sum of its proper divisors (7907923).

324223121 is an equidigital number, since it uses as much as digits as its factorization.

324223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907922.

The product of its digits is 576, while the sum is 20.

The square root of 324223121 is about 18006.1967389007. The cubic root of 324223121 is about 686.9861697172.

Adding to 324223121 its reverse (121322423), we get a palindrome (445545544).

The spelling of 324223121 in words is "three hundred twenty-four million, two hundred twenty-three thousand, one hundred twenty-one".