324440420243 has 4 divisors (see below), whose sum is σ = 324455949048. Its totient is φ = 324424891440.

The previous prime is 324440420233. The next prime is 324440420257. The reversal of 324440420243 is 342024044423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342024044423 = 163 ⋅2098307021.

It is a cyclic number.

It is not a de Polignac number, because 324440420243 - 2⁶ = 324440420179 is a prime.

It is a super-3 number, since 3×324440420243³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324440420233) 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, 7733021 + ... + 7774862.

It is an arithmetic number, because the mean of its divisors is an integer number (81113987262).

Almost surely, 2^324440420243 is an apocalyptic number.

324440420243 is a deficient number, since it is larger than the sum of its proper divisors (15528805).

324440420243 is a wasteful number, since it uses less digits than its factorization.

324440420243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15528804.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 324440420243 its reverse (342024044423), we get a palindrome (666464464666).

The spelling of 324440420243 in words is "three hundred twenty-four billion, four hundred forty million, four hundred twenty thousand, two hundred forty-three".