243433254443 has 8 divisors (see below), whose sum is σ = 254040868608. Its totient is φ = 232827603624.

The previous prime is 243433254413. The next prime is 243433254457. The reversal of 243433254443 is 344452334342.

243433254443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243433254443 - 2⁸ = 243433254187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243433254443.

It is not an unprimeable number, because it can be changed into a prime (243433254413) 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, 234605 + ... + 736142.

It is an arithmetic number, because the mean of its divisors is an integer number (31755108576).

Almost surely, 2^243433254443 is an apocalyptic number.

243433254443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

243433254443 is a deficient number, since it is larger than the sum of its proper divisors (10607614165).

243433254443 is a wasteful number, since it uses less digits than its factorization.

243433254443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981673.

The product of its digits is 1658880, while the sum is 41.

Adding to 243433254443 its reverse (344452334342), we get a palindrome (587885588785).

The spelling of 243433254443 in words is "two hundred forty-three billion, four hundred thirty-three million, two hundred fifty-four thousand, four hundred forty-three".