243421232133200 has 120 divisors (see below), whose sum is σ = 659984400571680. Its totient is φ = 85464507788800.

The previous prime is 243421232133199. The next prime is 243421232133227. The reversal of 243421232133200 is 2331232124342.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 953717354 + ... + 953972553.

It is an arithmetic number, because the mean of its divisors is an integer number (5499870004764).

Almost surely, 2^{243421232133200} is an apocalyptic number.

243421232133200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243421232133200 is an abundant number, since it is smaller than the sum of its proper divisors (416563168438480).

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

243421232133200 is a wasteful number, since it uses less digits than its factorization.

243421232133200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907689965 (or 1907689954 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 243421232133200 its reverse (2331232124342), we get a palindrome (245752464257542).

The spelling of 243421232133200 in words is "two hundred forty-three trillion, four hundred twenty-one billion, two hundred thirty-two million, one hundred thirty-three thousand, two hundred".