14003231421 has 16 divisors (see below), whose sum is σ = 19412870400. Its totient is φ = 8967809088.

The previous prime is 14003231419. The next prime is 14003231423. The reversal of 14003231421 is 12413230041.

14003231421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14003231419) and next prime (14003231423).

It is not a de Polignac number, because 14003231421 - 2¹ = 14003231419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14003231423) 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 in 15 ways as a sum of consecutive naturals, for example, 391381 + ... + 425658.

It is an arithmetic number, because the mean of its divisors is an integer number (1213304400).

Almost surely, 2^14003231421 is an apocalyptic number.

It is an amenable number.

14003231421 is a deficient number, since it is larger than the sum of its proper divisors (5409638979).

14003231421 is a wasteful number, since it uses less digits than its factorization.

14003231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817268.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 14003231421 its reverse (12413230041), we get a palindrome (26416461462).

The spelling of 14003231421 in words is "fourteen billion, three million, two hundred thirty-one thousand, four hundred twenty-one".