243421241144 has 16 divisors (see below), whose sum is σ = 456424194600. Its totient is φ = 121708122592.

The previous prime is 243421241137. The next prime is 243421241153. The reversal of 243421241144 is 441142124342.

243421241144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243421241144.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 140522 + ... + 711750.

Almost surely, 2^243421241144 is an apocalyptic number.

It is an amenable number.

243421241144 is a deficient number, since it is larger than the sum of its proper divisors (213002953456).

243421241144 is a wasteful number, since it uses less digits than its factorization.

243421241144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624502 (or 624498 counting only the distinct ones).

The product of its digits is 24576, while the sum is 32.

Adding to 243421241144 its reverse (441142124342), we get a palindrome (684563365486).

The spelling of 243421241144 in words is "two hundred forty-three billion, four hundred twenty-one million, two hundred forty-one thousand, one hundred forty-four".