243455351171 has 2 divisors, whose sum is σ = 243455351172. Its totient is φ = 243455351170.

The previous prime is 243455351137. The next prime is 243455351207. The reversal of 243455351171 is 171153554342.

243455351171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243455351171 - 2³⁰ = 242381609347 is a prime.

It is not a weakly prime, because it can be changed into another prime (243455351131) 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, 121727675585 + 121727675586.

It is an arithmetic number, because the mean of its divisors is an integer number (121727675586).

Almost surely, 2^243455351171 is an apocalyptic number.

243455351171 is a deficient number, since it is larger than the sum of its proper divisors (1).

243455351171 is an equidigital number, since it uses as much as digits as its factorization.

243455351171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 41.

The spelling of 243455351171 in words is "two hundred forty-three billion, four hundred fifty-five million, three hundred fifty-one thousand, one hundred seventy-one".