14104123421 has 2 divisors, whose sum is σ = 14104123422. Its totient is φ = 14104123420.

The previous prime is 14104123391. The next prime is 14104123447. The reversal of 14104123421 is 12432140141.

14104123421 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., 13785108100 + 319015321 = 117410^2 + 17861^2 .

It is an emirp because it is prime and its reverse (12432140141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14104123421 - 2¹⁰ = 14104122397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14104125421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7052061710 + 7052061711.

It is an arithmetic number, because the mean of its divisors is an integer number (7052061711).

Almost surely, 2^14104123421 is an apocalyptic number.

It is an amenable number.

14104123421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14104123421 is an equidigital number, since it uses as much as digits as its factorization.

14104123421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 14104123421 its reverse (12432140141), we get a palindrome (26536263562).

The spelling of 14104123421 in words is "fourteen billion, one hundred four million, one hundred twenty-three thousand, four hundred twenty-one".