14123009 has 2 divisors, whose sum is σ = 14123010. Its totient is φ = 14123008.

The previous prime is 14123003. The next prime is 14123027. The reversal of 14123009 is 90032141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9628609 + 4494400 = 3103^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 14123009 - 2⁸ = 14122753 is a prime.

It is not a weakly prime, because it can be changed into another prime (14123003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7061504 + 7061505.

It is an arithmetic number, because the mean of its divisors is an integer number (7061505).

It is a Proth number, since it is equal to 431 ⋅ 2¹⁵ + 1 and 431 < 2¹⁵.

Almost surely, 2^14123009 is an apocalyptic number.

It is an amenable number.

14123009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14123009 is an equidigital number, since it uses as much as digits as its factorization.

14123009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 14123009 is about 3758.0592065586. The cubic root of 14123009 is about 241.7180481051.

The spelling of 14123009 in words is "fourteen million, one hundred twenty-three thousand, nine".