243113200 has 90 divisors (see below), whose sum is σ = 642132512. Its totient is φ = 88387200.

The previous prime is 243113153. The next prime is 243113203. The reversal of 243113200 is 2311342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243113203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45889 + ... + 50911.

Almost surely, 2^243113200 is an apocalyptic number.

243113200 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 243113200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321066256).

243113200 is an abundant number, since it is smaller than the sum of its proper divisors (399019312).

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

243113200 is a wasteful number, since it uses less digits than its factorization.

243113200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 243113200 is about 15592.0877370543. The cubic root of 243113200 is about 624.1220312509.

Adding to 243113200 its reverse (2311342), we get a palindrome (245424542).

The spelling of 243113200 in words is "two hundred forty-three million, one hundred thirteen thousand, two hundred".