243434321411 has 2 divisors, whose sum is σ = 243434321412. Its totient is φ = 243434321410.

The previous prime is 243434321387. The next prime is 243434321419. The reversal of 243434321411 is 114123434342.

243434321411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243434321411 is a prime.

It is not a weakly prime, because it can be changed into another prime (243434321419) 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, 121717160705 + 121717160706.

It is an arithmetic number, because the mean of its divisors is an integer number (121717160706).

Almost surely, 2^243434321411 is an apocalyptic number.

243434321411 is a deficient number, since it is larger than the sum of its proper divisors (1).

243434321411 is an equidigital number, since it uses as much as digits as its factorization.

243434321411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 32.

Adding to 243434321411 its reverse (114123434342), we get a palindrome (357557755753).

The spelling of 243434321411 in words is "two hundred forty-three billion, four hundred thirty-four million, three hundred twenty-one thousand, four hundred eleven".