9844021223 has 2 divisors, whose sum is σ = 9844021224. Its totient is φ = 9844021222.

The previous prime is 9844021169. The next prime is 9844021301. The reversal of 9844021223 is 3221204489.

9844021223 is digitally balanced in base 3, 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 9844021223 - 2²⁶ = 9776912359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9844021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4922010611 + 4922010612.

It is an arithmetic number, because the mean of its divisors is an integer number (4922010612).

Almost surely, 2^9844021223 is an apocalyptic number.

9844021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

9844021223 is an equidigital number, since it uses as much as digits as its factorization.

9844021223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 9844021223 is about 99217.0409909507. The cubic root of 9844021223 is about 2143.1744037111.

The spelling of 9844021223 in words is "nine billion, eight hundred forty-four million, twenty-one thousand, two hundred twenty-three".