243433203244 has 144 divisors (see below), whose sum is σ = 547207151904. Its totient is φ = 93690777600.

The previous prime is 243433203229. The next prime is 243433203253. The reversal of 243433203244 is 442302334342.

It is a super-2 number, since 2×243433203244² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196792594 + ... + 196793830.

It is an arithmetic number, because the mean of its divisors is an integer number (3800049666).

Almost surely, 2^243433203244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243433203244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273603575952).

243433203244 is an abundant number, since it is smaller than the sum of its proper divisors (303773948660).

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

243433203244 is a wasteful number, since it uses less digits than its factorization.

243433203244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304 (or 2295 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 243433203244 its reverse (442302334342), we get a palindrome (685735537586).

The spelling of 243433203244 in words is "two hundred forty-three billion, four hundred thirty-three million, two hundred three thousand, two hundred forty-four".