14043143021 has 4 divisors (see below), whose sum is σ = 14080792572. Its totient is φ = 14005493472.

The previous prime is 14043143011. The next prime is 14043143041. The reversal of 14043143021 is 12034134041.

14043143021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12034134041 = 1847 ⋅6515503.

It can be written as a sum of positive squares in 2 ways, for example, as 8609241796 + 5433901225 = 92786^2 + 73715^2 .

It is a cyclic number.

It is not a de Polignac number, because 14043143021 - 2⁶ = 14043142957 is a prime.

It is a super-2 number, since 2×14043143021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14043143011) 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 3 ways as a sum of consecutive naturals, for example, 18824216 + ... + 18824961.

It is an arithmetic number, because the mean of its divisors is an integer number (3520198143).

Almost surely, 2^14043143021 is an apocalyptic number.

It is an amenable number.

14043143021 is a deficient number, since it is larger than the sum of its proper divisors (37649551).

14043143021 is an equidigital number, since it uses as much as digits as its factorization.

14043143021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37649550.

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

Adding to 14043143021 its reverse (12034134041), we get a palindrome (26077277062).

The spelling of 14043143021 in words is "fourteen billion, forty-three million, one hundred forty-three thousand, twenty-one".