9109223 has 2 divisors, whose sum is σ = 9109224. Its totient is φ = 9109222.

The previous prime is 9109207. The next prime is 9109259. The reversal of 9109223 is 3229019.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9109223 - 2⁴ = 9109207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9109192 and 9109201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9105223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4554611 + 4554612.

It is an arithmetic number, because the mean of its divisors is an integer number (4554612).

Almost surely, 2^9109223 is an apocalyptic number.

9109223 is a deficient number, since it is larger than the sum of its proper divisors (1).

9109223 is an equidigital number, since it uses as much as digits as its factorization.

9109223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9109223 is about 3018.1489360202. The cubic root of 9109223 is about 208.8464566726.

The spelling of 9109223 in words is "nine million, one hundred nine thousand, two hundred twenty-three".