243115030200 has 96 divisors (see below), whose sum is σ = 861321836160. Its totient is φ = 55569148800.

The previous prime is 243115030177. The next prime is 243115030229. The reversal of 243115030200 is 2030511342.

243115030200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 28938066 + ... + 28946465.

It is an arithmetic number, because the mean of its divisors is an integer number (8972102460).

Almost surely, 2^243115030200 is an apocalyptic number.

243115030200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243115030200 is an abundant number, since it is smaller than the sum of its proper divisors (618206805960).

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

243115030200 is a wasteful number, since it uses less digits than its factorization.

243115030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57884557 (or 57884548 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 243115030200 its reverse (2030511342), we get a palindrome (245145541542).

The spelling of 243115030200 in words is "two hundred forty-three billion, one hundred fifteen million, thirty thousand, two hundred".