243113245200 has 540 divisors, whose sum is σ = 1004267495088. Its totient is φ = 54274752000.

The previous prime is 243113245187. The next prime is 243113245211. The reversal of 243113245200 is 2542311342.

243113245200 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 132 + 4 + 520 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 7569175 + ... + 7601225.

Almost surely, 2^243113245200 is an apocalyptic number.

243113245200 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 243113245200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502133747544).

243113245200 is an abundant number, since it is smaller than the sum of its proper divisors (761154249888).

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

243113245200 is a wasteful number, since it uses less digits than its factorization.

243113245200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32132 (or 32111 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 243113245200 its reverse (2542311342), we get a palindrome (245655556542).

The spelling of 243113245200 in words is "two hundred forty-three billion, one hundred thirteen million, two hundred forty-five thousand, two hundred".