14172823 has 4 divisors (see below), whose sum is σ = 16197520. Its totient is φ = 12148128.

The previous prime is 14172811. The next prime is 14172827. The reversal of 14172823 is 32827141.

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

It is a cyclic number.

It is not a de Polignac number, because 14172823 - 2¹⁷ = 14041751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14172791 and 14172800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14172827) 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 in 3 ways as a sum of consecutive naturals, for example, 1012338 + ... + 1012351.

It is an arithmetic number, because the mean of its divisors is an integer number (4049380).

Almost surely, 2^14172823 is an apocalyptic number.

14172823 is a deficient number, since it is larger than the sum of its proper divisors (2024697).

14172823 is an equidigital number, since it uses as much as digits as its factorization.

14172823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024696.

The product of its digits is 2688, while the sum is 28.

The square root of 14172823 is about 3764.6809957817. The cubic root of 14172823 is about 242.0019067309.

Adding to 14172823 its reverse (32827141), we get a palindrome (46999964).

The spelling of 14172823 in words is "fourteen million, one hundred seventy-two thousand, eight hundred twenty-three".