243310023340 has 12 divisors (see below), whose sum is σ = 510951049056. Its totient is φ = 97324009328.

The previous prime is 243310023331. The next prime is 243310023347. The reversal of 243310023340 is 43320013342.

243310023340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243310023340² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243310023347) 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 3 ways as a sum of consecutive naturals, for example, 6082750564 + ... + 6082750603.

It is an arithmetic number, because the mean of its divisors is an integer number (42579254088).

Almost surely, 2^243310023340 is an apocalyptic number.

243310023340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243310023340 is an abundant number, since it is smaller than the sum of its proper divisors (267641025716).

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

243310023340 is a wasteful number, since it uses less digits than its factorization.

243310023340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12165501176 (or 12165501174 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 243310023340 its reverse (43320013342), we get a palindrome (286630036682).

The spelling of 243310023340 in words is "two hundred forty-three billion, three hundred ten million, twenty-three thousand, three hundred forty".