14003243421 has 4 divisors (see below), whose sum is σ = 18670991232. Its totient is φ = 9335495612.

The previous prime is 14003243413. The next prime is 14003243437. The reversal of 14003243421 is 12434230041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14003243421 - 2³ = 14003243413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14003243391 and 14003243400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14003243321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333873901 + ... + 2333873906.

It is an arithmetic number, because the mean of its divisors is an integer number (4667747808).

Almost surely, 2^14003243421 is an apocalyptic number.

It is an amenable number.

14003243421 is a deficient number, since it is larger than the sum of its proper divisors (4667747811).

14003243421 is an equidigital number, since it uses as much as digits as its factorization.

14003243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667747810.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 14003243421 its reverse (12434230041), we get a palindrome (26437473462).

The spelling of 14003243421 in words is "fourteen billion, three million, two hundred forty-three thousand, four hundred twenty-one".