243120443056 has 40 divisors (see below), whose sum is σ = 482193423360. Its totient is φ = 118685695296.

The previous prime is 243120443021. The next prime is 243120443057. The reversal of 243120443056 is 650344021342.

243120443056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243120443057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1680105 + ... + 1819063.

It is an arithmetic number, because the mean of its divisors is an integer number (12054835584).

Almost surely, 2^243120443056 is an apocalyptic number.

It is an amenable number.

243120443056 is a deficient number, since it is larger than the sum of its proper divisors (239072980304).

243120443056 is a wasteful number, since it uses less digits than its factorization.

243120443056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141553 (or 141547 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 243120443056 its reverse (650344021342), we get a palindrome (893464464398).

The spelling of 243120443056 in words is "two hundred forty-three billion, one hundred twenty million, four hundred forty-three thousand, fifty-six".