324402423021 has 24 divisors (see below), whose sum is σ = 500376015360. Its totient is φ = 202074919200.

The previous prime is 324402423001. The next prime is 324402423029. The reversal of 324402423021 is 120324204423.

324402423021 is a `hidden beast` number, since 3 + 2 + 4 + 402 + 4 + 230 + 21 = 666.

324402423021 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 324402423021 - 2⁵ = 324402422989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324402423029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20039025 + ... + 20055206.

It is an arithmetic number, because the mean of its divisors is an integer number (20849000640).

Almost surely, 2^324402423021 is an apocalyptic number.

324402423021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

324402423021 is a deficient number, since it is larger than the sum of its proper divisors (175973592339).

324402423021 is a wasteful number, since it uses less digits than its factorization.

324402423021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40094297 (or 40094294 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 324402423021 its reverse (120324204423), we get a palindrome (444726627444).

The spelling of 324402423021 in words is "three hundred twenty-four billion, four hundred two million, four hundred twenty-three thousand, twenty-one".