243321043334 has 16 divisors (see below), whose sum is σ = 376794854016. Its totient is φ = 117723585600.

The previous prime is 243321043309. The next prime is 243321043369. The reversal of 243321043334 is 433340123342.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 243321043334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400844 + ... + 804560.

It is an arithmetic number, because the mean of its divisors is an integer number (23549678376).

Almost surely, 2^243321043334 is an apocalyptic number.

243321043334 is a deficient number, since it is larger than the sum of its proper divisors (133473810682).

243321043334 is a wasteful number, since it uses less digits than its factorization.

243321043334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413471.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 243321043334 its reverse (433340123342), we get a palindrome (676661166676).

The spelling of 243321043334 in words is "two hundred forty-three billion, three hundred twenty-one million, forty-three thousand, three hundred thirty-four".