243115243334 has 4 divisors (see below), whose sum is σ = 364672865004. Its totient is φ = 121557621666.

The previous prime is 243115243331. The next prime is 243115243363. The reversal of 243115243334 is 433342511342.

243115243334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243115243294 and 243115243303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243115243331) 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 as a sum of consecutive naturals, namely, 60778810832 + ... + 60778810835.

It is an arithmetic number, because the mean of its divisors is an integer number (91168216251).

Almost surely, 2^243115243334 is an apocalyptic number.

243115243334 is a deficient number, since it is larger than the sum of its proper divisors (121557621670).

243115243334 is a wasteful number, since it uses less digits than its factorization.

243115243334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121557621669.

The product of its digits is 103680, while the sum is 35.

Adding to 243115243334 its reverse (433342511342), we get a palindrome (676457754676).

The spelling of 243115243334 in words is "two hundred forty-three billion, one hundred fifteen million, two hundred forty-three thousand, three hundred thirty-four".