9909043223 has 8 divisors (see below), whose sum is σ = 10178322192. Its totient is φ = 9639841536.

The previous prime is 9909043169. The next prime is 9909043247. The reversal of 9909043223 is 3223409099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9909043223 - 2⁶ = 9909043159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9909043273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320711 + ... + 350247.

It is an arithmetic number, because the mean of its divisors is an integer number (1272290274).

Almost surely, 2^9909043223 is an apocalyptic number.

9909043223 is a deficient number, since it is larger than the sum of its proper divisors (269278969).

9909043223 is a wasteful number, since it uses less digits than its factorization.

9909043223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38641.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 9909043223 is about 99544.1772430713. The cubic root of 9909043223 is about 2147.8827704581.

The spelling of 9909043223 in words is "nine billion, nine hundred nine million, forty-three thousand, two hundred twenty-three".