324003253421 has 4 divisors (see below), whose sum is σ = 330896939712. Its totient is φ = 317109567132.

The previous prime is 324003253417. The next prime is 324003253429. The reversal of 324003253421 is 124352300423.

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.

It is a cyclic number.

It is not a de Polignac number, because 324003253421 - 2² = 324003253417 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 (324003253429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3446843075 + ... + 3446843168.

It is an arithmetic number, because the mean of its divisors is an integer number (82724234928).

Almost surely, 2^324003253421 is an apocalyptic number.

It is an amenable number.

324003253421 is a deficient number, since it is larger than the sum of its proper divisors (6893686291).

324003253421 is an equidigital number, since it uses as much as digits as its factorization.

324003253421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893686290.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 324003253421 its reverse (124352300423), we get a palindrome (448355553844).

The spelling of 324003253421 in words is "three hundred twenty-four billion, three million, two hundred fifty-three thousand, four hundred twenty-one".