324123211434421 has 12 divisors (see below), whose sum is σ = 393434386196832. Its totient is φ = 265740769622328.

The previous prime is 324123211434397. The next prime is 324123211434443. The reversal of 324123211434421 is 124434112321423.

It is not a de Polignac number, because 324123211434421 - 2¹⁵ = 324123211401653 is a prime.

It is a super-3 number, since 3×324123211434421³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324123211434821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143799116635 + ... + 143799118888.

It is an arithmetic number, because the mean of its divisors is an integer number (32786198849736).

Almost surely, 2^{324123211434421} is an apocalyptic number.

It is an amenable number.

324123211434421 is a deficient number, since it is larger than the sum of its proper divisors (69311174762411).

324123211434421 is a wasteful number, since it uses less digits than its factorization.

324123211434421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287598235560 (or 287598235553 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

Adding to 324123211434421 its reverse (124434112321423), we get a palindrome (448557323755844).

The spelling of 324123211434421 in words is "three hundred twenty-four trillion, one hundred twenty-three billion, two hundred eleven million, four hundred thirty-four thousand, four hundred twenty-one".