243421233042 has 32 divisors (see below), whose sum is σ = 524504308608. Its totient is φ = 74868494976.

The previous prime is 243421233023. The next prime is 243421233073. The reversal of 243421233042 is 240332124342.

243421233042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 438078 + ... + 823865.

It is an arithmetic number, because the mean of its divisors is an integer number (16390759644).

Almost surely, 2^243421233042 is an apocalyptic number.

243421233042 is an abundant number, since it is smaller than the sum of its proper divisors (281083075566).

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

243421233042 is a wasteful number, since it uses less digits than its factorization.

243421233042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264434.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243421233042 its reverse (240332124342), we get a palindrome (483753357384).

The spelling of 243421233042 in words is "two hundred forty-three billion, four hundred twenty-one million, two hundred thirty-three thousand, forty-two".