243226298171 has 2 divisors, whose sum is σ = 243226298172. Its totient is φ = 243226298170.

The previous prime is 243226298167. The next prime is 243226298173. The reversal of 243226298171 is 171892622342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243226298171 - 2² = 243226298167 is a prime.

Together with 243226298173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (243226298173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121613149085 + 121613149086.

It is an arithmetic number, because the mean of its divisors is an integer number (121613149086).

Almost surely, 2^243226298171 is an apocalyptic number.

243226298171 is a deficient number, since it is larger than the sum of its proper divisors (1).

243226298171 is an equidigital number, since it uses as much as digits as its factorization.

243226298171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The spelling of 243226298171 in words is "two hundred forty-three billion, two hundred twenty-six million, two hundred ninety-eight thousand, one hundred seventy-one".