243120354383 has 2 divisors, whose sum is σ = 243120354384. Its totient is φ = 243120354382.

The previous prime is 243120354227. The next prime is 243120354397. The reversal of 243120354383 is 383453021342.

243120354383 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 not a de Polignac number, because 243120354383 - 2¹⁶ = 243120288847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243120354583) 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, 121560177191 + 121560177192.

It is an arithmetic number, because the mean of its divisors is an integer number (121560177192).

Almost surely, 2^243120354383 is an apocalyptic number.

243120354383 is a deficient number, since it is larger than the sum of its proper divisors (1).

243120354383 is an equidigital number, since it uses as much as digits as its factorization.

243120354383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 243120354383 in words is "two hundred forty-three billion, one hundred twenty million, three hundred fifty-four thousand, three hundred eighty-three".