14423621 has 2 divisors, whose sum is σ = 14423622. Its totient is φ = 14423620.

The previous prime is 14423597. The next prime is 14423639. The reversal of 14423621 is 12632441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10982596 + 3441025 = 3314^2 + 1855^2 .

It is an emirp because it is prime and its reverse (12632441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14423621 - 2⁶ = 14423557 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14420621) 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 as a sum of consecutive naturals, namely, 7211810 + 7211811.

It is an arithmetic number, because the mean of its divisors is an integer number (7211811).

Almost surely, 2^14423621 is an apocalyptic number.

It is an amenable number.

14423621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14423621 is an equidigital number, since it uses as much as digits as its factorization.

14423621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 14423621 is about 3797.8442569437. The cubic root of 14423621 is about 243.4210327950.

The spelling of 14423621 in words is "fourteen million, four hundred twenty-three thousand, six hundred twenty-one".