14230421 has 2 divisors, whose sum is σ = 14230422. Its totient is φ = 14230420.

The previous prime is 14230409. The next prime is 14230423. The reversal of 14230421 is 12403241.

14230421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10329796 + 3900625 = 3214^2 + 1975^2 .

It is a cyclic number.

It is not a de Polignac number, because 14230421 - 2⁶ = 14230357 is a prime.

It is a Sophie Germain prime.

Together with 14230423, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14230421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14230423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7115210 + 7115211.

It is an arithmetic number, because the mean of its divisors is an integer number (7115211).

Almost surely, 2^14230421 is an apocalyptic number.

It is an amenable number.

14230421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14230421 is an equidigital number, since it uses as much as digits as its factorization.

14230421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 14230421 is about 3772.3230243445. The cubic root of 14230421 is about 242.3292935423.

Adding to 14230421 its reverse (12403241), we get a palindrome (26633662).

The spelling of 14230421 in words is "fourteen million, two hundred thirty thousand, four hundred twenty-one".