243342343240443 has 24 divisors (see below), whose sum is σ = 370035051172800. Its totient is φ = 153672934577904.

The previous prime is 243342343240429. The next prime is 243342343240471. The reversal of 243342343240443 is 344042343243342.

243342343240443 is a `hidden beast` number, since 2 + 4 + 3 + 3 + 4 + 234 + 3 + 2 + 404 + 4 + 3 = 666.

It is not a de Polignac number, because 243342343240443 - 2⁵ = 243342343240411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243342343240543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76994605 + ... + 80092782.

It is an arithmetic number, because the mean of its divisors is an integer number (15418127132200).

Almost surely, 2^{243342343240443} is an apocalyptic number.

243342343240443 is a deficient number, since it is larger than the sum of its proper divisors (126692707932357).

243342343240443 is a wasteful number, since it uses less digits than its factorization.

243342343240443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157096471 (or 157096468 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 45.

Adding to 243342343240443 its reverse (344042343243342), we get a palindrome (587384686483785).

The spelling of 243342343240443 in words is "two hundred forty-three trillion, three hundred forty-two billion, three hundred forty-three million, two hundred forty thousand, four hundred forty-three".