243020332326 has 16 divisors (see below), whose sum is σ = 486085034304. Its totient is φ = 80999382504.

The previous prime is 243020332319. The next prime is 243020332397. The reversal of 243020332326 is 623233020342.

It is a junction number, because it is equal to n+sod(n) for n = 243020332293 and 243020332302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777320 + ... + 1909163.

It is an arithmetic number, because the mean of its divisors is an integer number (30380314644).

Almost surely, 2^243020332326 is an apocalyptic number.

243020332326 is an abundant number, since it is smaller than the sum of its proper divisors (243064701978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243020332326 is a wasteful number, since it uses less digits than its factorization.

243020332326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697475.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 243020332326 its reverse (623233020342), we get a palindrome (866253352668).

The spelling of 243020332326 in words is "two hundred forty-three billion, twenty million, three hundred thirty-two thousand, three hundred twenty-six".