243052523089 has 2 divisors, whose sum is σ = 243052523090. Its totient is φ = 243052523088.

The previous prime is 243052523009. The next prime is 243052523099. The reversal of 243052523089 is 980325250342.

243052523089 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 can be written as a sum of positive squares in only one way, i.e., 139358862864 + 103693660225 = 373308^2 + 322015^2 .

It is a cyclic number.

It is not a de Polignac number, because 243052523089 - 2⁹ = 243052522577 is a prime.

It is not a weakly prime, because it can be changed into another prime (243052523009) 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, 121526261544 + 121526261545.

It is an arithmetic number, because the mean of its divisors is an integer number (121526261545).

Almost surely, 2^243052523089 is an apocalyptic number.

It is an amenable number.

243052523089 is a deficient number, since it is larger than the sum of its proper divisors (1).

243052523089 is an equidigital number, since it uses as much as digits as its factorization.

243052523089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 243052523089 in words is "two hundred forty-three billion, fifty-two million, five hundred twenty-three thousand, eighty-nine".