243428822743 has 2 divisors, whose sum is σ = 243428822744. Its totient is φ = 243428822742.

The previous prime is 243428822731. The next prime is 243428822771. The reversal of 243428822743 is 347228824342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243428822743 - 2²⁹ = 242891951831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243428822723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121714411371 + 121714411372.

It is an arithmetic number, because the mean of its divisors is an integer number (121714411372).

Almost surely, 2^243428822743 is an apocalyptic number.

243428822743 is a deficient number, since it is larger than the sum of its proper divisors (1).

243428822743 is an equidigital number, since it uses as much as digits as its factorization.

243428822743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4128768, while the sum is 49.

The spelling of 243428822743 in words is "two hundred forty-three billion, four hundred twenty-eight million, eight hundred twenty-two thousand, seven hundred forty-three".