14221723 has 4 divisors (see below), whose sum is σ = 14454928. Its totient is φ = 13988520.

The previous prime is 14221721. The next prime is 14221769. The reversal of 14221723 is 32712241.

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

It is not a de Polignac number, because 14221723 - 2¹ = 14221721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14221694 and 14221703.

It is not an unprimeable number, because it can be changed into a prime (14221721) 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, 116511 + ... + 116632.

It is an arithmetic number, because the mean of its divisors is an integer number (3613732).

Almost surely, 2^14221723 is an apocalyptic number.

14221723 is a deficient number, since it is larger than the sum of its proper divisors (233205).

14221723 is an equidigital number, since it uses as much as digits as its factorization.

14221723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233204.

The product of its digits is 672, while the sum is 22.

The square root of 14221723 is about 3771.1699776064. The cubic root of 14221723 is about 242.2799108435.

Adding to 14221723 its reverse (32712241), we get a palindrome (46933964).

The spelling of 14221723 in words is "fourteen million, two hundred twenty-one thousand, seven hundred twenty-three".