243143343200 has 144 divisors (see below), whose sum is σ = 630366622704. Its totient is φ = 91262976000.

The previous prime is 243143343199. The next prime is 243143343259. The reversal of 243143343200 is 2343341342.

243143343200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4556675 + ... + 4609725.

It is an arithmetic number, because the mean of its divisors is an integer number (4377545991).

Almost surely, 2^243143343200 is an apocalyptic number.

243143343200 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 243143343200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315183311352).

243143343200 is an abundant number, since it is smaller than the sum of its proper divisors (387223279504).

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

243143343200 is a wasteful number, since it uses less digits than its factorization.

243143343200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53425 (or 53412 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 243143343200 its reverse (2343341342), we get a palindrome (245486684542).

The spelling of 243143343200 in words is "two hundred forty-three billion, one hundred forty-three million, three hundred forty-three thousand, two hundred".