14023309 has 4 divisors (see below), whose sum is σ = 14036860. Its totient is φ = 14009760.

The previous prime is 14023279. The next prime is 14023319. The reversal of 14023309 is 90332041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7823209 + 6200100 = 2797^2 + 2490^2 .

It is a cyclic number.

It is not a de Polignac number, because 14023309 - 2⁵ = 14023277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14023309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14023319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5082 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (3509215).

Almost surely, 2^14023309 is an apocalyptic number.

It is an amenable number.

14023309 is a deficient number, since it is larger than the sum of its proper divisors (13551).

14023309 is a wasteful number, since it uses less digits than its factorization.

14023309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13550.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 14023309 is about 3744.7708875177. The cubic root of 14023309 is about 241.1479094113.

The spelling of 14023309 in words is "fourteen million, twenty-three thousand, three hundred nine".