14023209 has 4 divisors (see below), whose sum is σ = 18697616. Its totient is φ = 9348804.

The previous prime is 14023201. The next prime is 14023223. The reversal of 14023209 is 90232041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14023209 - 2³ = 14023201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14023201) 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, 2337199 + ... + 2337204.

It is an arithmetic number, because the mean of its divisors is an integer number (4674404).

Almost surely, 2^14023209 is an apocalyptic number.

It is an amenable number.

14023209 is a deficient number, since it is larger than the sum of its proper divisors (4674407).

14023209 is an equidigital number, since it uses as much as digits as its factorization.

14023209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674406.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 14023209 is about 3744.7575355422. The cubic root of 14023209 is about 241.1473362026.

The spelling of 14023209 in words is "fourteen million, twenty-three thousand, two hundred nine".