242443421423 has 12 divisors (see below), whose sum is σ = 282034046952. Its totient is φ = 207802733040.

The previous prime is 242443421371. The next prime is 242443421453. The reversal of 242443421423 is 324124344242.

242443421423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242443421423 - 2⁸ = 242443421167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242443421453) 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 11 ways as a sum of consecutive naturals, for example, 3266936 + ... + 3340322.

It is an arithmetic number, because the mean of its divisors is an integer number (23502837246).

Almost surely, 2^242443421423 is an apocalyptic number.

242443421423 is a deficient number, since it is larger than the sum of its proper divisors (39590625529).

242443421423 is an equidigital number, since it uses as much as digits as its factorization.

242443421423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140822 (or 140815 counting only the distinct ones).

The product of its digits is 147456, while the sum is 35.

Adding to 242443421423 its reverse (324124344242), we get a palindrome (566567765665).

The spelling of 242443421423 in words is "two hundred forty-two billion, four hundred forty-three million, four hundred twenty-one thousand, four hundred twenty-three".