243113451200 has 84 divisors (see below), whose sum is σ = 629695905960. Its totient is φ = 92127191040.

The previous prime is 243113451169. The next prime is 243113451263. The reversal of 243113451200 is 2154311342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 243113451200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3968177 + ... + 4028976.

Almost surely, 2^243113451200 is an apocalyptic number.

243113451200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243113451200 is an abundant number, since it is smaller than the sum of its proper divisors (386582454760).

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

243113451200 is a wasteful number, since it uses less digits than its factorization.

243113451200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7997194 (or 7997179 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 243113451200 its reverse (2154311342), we get a palindrome (245267762542).

The spelling of 243113451200 in words is "two hundred forty-three billion, one hundred thirteen million, four hundred fifty-one thousand, two hundred".