243226207871 has 2 divisors, whose sum is σ = 243226207872. Its totient is φ = 243226207870.

The previous prime is 243226207823. The next prime is 243226207883. The reversal of 243226207871 is 178702622342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243226207871 - 2¹⁸ = 243225945727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243226207811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121613103935 + 121613103936.

It is an arithmetic number, because the mean of its divisors is an integer number (121613103936).

Almost surely, 2^243226207871 is an apocalyptic number.

243226207871 is a deficient number, since it is larger than the sum of its proper divisors (1).

243226207871 is an equidigital number, since it uses as much as digits as its factorization.

243226207871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 243226207871 in words is "two hundred forty-three billion, two hundred twenty-six million, two hundred seven thousand, eight hundred seventy-one".