14423521 has 4 divisors (see below), whose sum is σ = 16484032. Its totient is φ = 12363012.

The previous prime is 14423509. The next prime is 14423557. The reversal of 14423521 is 12532441.

14423521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12532441 = 269 ⋅46589.

It is a cyclic number.

It is not a de Polignac number, because 14423521 - 2⁷ = 14423393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14423492 and 14423501.

It is not an unprimeable number, because it can be changed into a prime (14423561) 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, 1030245 + ... + 1030258.

It is an arithmetic number, because the mean of its divisors is an integer number (4121008).

Almost surely, 2^14423521 is an apocalyptic number.

It is an amenable number.

14423521 is a deficient number, since it is larger than the sum of its proper divisors (2060511).

14423521 is an equidigital number, since it uses as much as digits as its factorization.

14423521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060510.

The product of its digits is 960, while the sum is 22.

The square root of 14423521 is about 3797.8310915574. The cubic root of 14423521 is about 243.4204702419.

Adding to 14423521 its reverse (12532441), we get a palindrome (26955962).

The spelling of 14423521 in words is "fourteen million, four hundred twenty-three thousand, five hundred twenty-one".