243022326421079 has 2 divisors, whose sum is σ = 243022326421080. Its totient is φ = 243022326421078.

The previous prime is 243022326421051. The next prime is 243022326421163. The reversal of 243022326421079 is 970124623220342.

243022326421079 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 243022326421079 - 2²⁰ = 243022325372503 is a prime.

It is a super-2 number, since 2×243022326421079² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243022326421009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121511163210539 + 121511163210540.

It is an arithmetic number, because the mean of its divisors is an integer number (121511163210540).

Almost surely, 2^{243022326421079} is an apocalyptic number.

243022326421079 is a deficient number, since it is larger than the sum of its proper divisors (1).

243022326421079 is an equidigital number, since it uses as much as digits as its factorization.

243022326421079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 243022326421079 in words is "two hundred forty-three trillion, twenty-two billion, three hundred twenty-six million, four hundred twenty-one thousand, seventy-nine".