14351023421 has 12 divisors (see below), whose sum is σ = 16702076160. Its totient is φ = 12294961560.

The previous prime is 14351023411. The next prime is 14351023529. The reversal of 14351023421 is 12432015341.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-14351023421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14351023411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34070 + ... + 172808.

It is an arithmetic number, because the mean of its divisors is an integer number (1391839680).

Almost surely, 2^14351023421 is an apocalyptic number.

It is an amenable number.

14351023421 is a deficient number, since it is larger than the sum of its proper divisors (2351052739).

14351023421 is a wasteful number, since it uses less digits than its factorization.

14351023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140864 (or 140857 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 14351023421 its reverse (12432015341), we get a palindrome (26783038762).

The spelling of 14351023421 in words is "fourteen billion, three hundred fifty-one million, twenty-three thousand, four hundred twenty-one".