323244421 has 4 divisors (see below), whose sum is σ = 328723200. Its totient is φ = 317765644.

The previous prime is 323244407. The next prime is 323244433. The reversal of 323244421 is 124442323.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124442323 = 47 ⋅2647709.

It is a cyclic number.

It is not a de Polignac number, because 323244421 - 2⁷ = 323244293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323244401) 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, 2739301 + ... + 2739418.

It is an arithmetic number, because the mean of its divisors is an integer number (82180800).

Almost surely, 2^323244421 is an apocalyptic number.

It is an amenable number.

323244421 is a deficient number, since it is larger than the sum of its proper divisors (5478779).

323244421 is an equidigital number, since it uses as much as digits as its factorization.

323244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478778.

The product of its digits is 4608, while the sum is 25.

The square root of 323244421 is about 17978.9994437955. Note that the first 3 decimals coincide. The cubic root of 323244421 is about 686.2942274717.

Adding to 323244421 its reverse (124442323), we get a palindrome (447686744).

The spelling of 323244421 in words is "three hundred twenty-three million, two hundred forty-four thousand, four hundred twenty-one".