243133220300 has 72 divisors (see below), whose sum is σ = 534517455360. Its totient is φ = 95979124800.

The previous prime is 243133220299. The next prime is 243133220357. The reversal of 243133220300 is 3022331342.

It is a super-2 number, since 2×243133220300² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22043387 + ... + 22054413.

Almost surely, 2^243133220300 is an apocalyptic number.

243133220300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243133220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267258727680).

243133220300 is an abundant number, since it is smaller than the sum of its proper divisors (291384235060).

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

243133220300 is a wasteful number, since it uses less digits than its factorization.

243133220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13911 (or 13904 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 243133220300 its reverse (3022331342), we get a palindrome (246155551642).

The spelling of 243133220300 in words is "two hundred forty-three billion, one hundred thirty-three million, two hundred twenty thousand, three hundred".