243331422067 has 2 divisors, whose sum is σ = 243331422068. Its totient is φ = 243331422066.

The previous prime is 243331422043. The next prime is 243331422119. The reversal of 243331422067 is 760224133342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243331422067 - 2¹⁵ = 243331389299 is a prime.

It is not a weakly prime, because it can be changed into another prime (243331422167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121665711033 + 121665711034.

It is an arithmetic number, because the mean of its divisors is an integer number (121665711034).

Almost surely, 2^243331422067 is an apocalyptic number.

243331422067 is a deficient number, since it is larger than the sum of its proper divisors (1).

243331422067 is an equidigital number, since it uses as much as digits as its factorization.

243331422067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 243331422067 in words is "two hundred forty-three billion, three hundred thirty-one million, four hundred twenty-two thousand, sixty-seven".