9423109 has 2 divisors, whose sum is σ = 9423110. Its totient is φ = 9423108.

The previous prime is 9423103. The next prime is 9423131. The reversal of 9423109 is 9013249.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9150625 + 272484 = 3025^2 + 522^2 .

It is a cyclic number.

It is not a de Polignac number, because 9423109 - 2¹⁷ = 9292037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9423103) 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 as a sum of consecutive naturals, namely, 4711554 + 4711555.

It is an arithmetic number, because the mean of its divisors is an integer number (4711555).

Almost surely, 2^9423109 is an apocalyptic number.

It is an amenable number.

9423109 is a deficient number, since it is larger than the sum of its proper divisors (1).

9423109 is an equidigital number, since it uses as much as digits as its factorization.

9423109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9423109 is about 3069.7082923301. The cubic root of 9423109 is about 211.2182329133.

The spelling of 9423109 in words is "nine million, four hundred twenty-three thousand, one hundred nine".