243223673510440 has 32 divisors (see below), whose sum is σ = 625432303313280. Its totient is φ = 83390973774912.

The previous prime is 243223673510417. The next prime is 243223673510473. The reversal of 243223673510440 is 44015376322342.

243223673510440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×243223673510440³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434327988132 + ... + 434327988691.

It is an arithmetic number, because the mean of its divisors is an integer number (19544759478540).

Almost surely, 2^{243223673510440} is an apocalyptic number.

243223673510440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243223673510440 is an abundant number, since it is smaller than the sum of its proper divisors (382208629802840).

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

243223673510440 is a wasteful number, since it uses less digits than its factorization.

243223673510440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868655976841 (or 868655976837 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 243223673510440 in words is "two hundred forty-three trillion, two hundred twenty-three billion, six hundred seventy-three million, five hundred ten thousand, four hundred forty".