14243453021 has 8 divisors (see below), whose sum is σ = 16304619840. Its totient is φ = 12188883168.

The previous prime is 14243453011. The next prime is 14243453027. The reversal of 14243453021 is 12035434241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14243453021 - 2¹⁰ = 14243451997 is a prime.

It is a super-2 number, since 2×14243453021² (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 (14243453027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1644611 + ... + 1653248.

It is an arithmetic number, because the mean of its divisors is an integer number (2038077480).

Almost surely, 2^14243453021 is an apocalyptic number.

It is an amenable number.

14243453021 is a deficient number, since it is larger than the sum of its proper divisors (2061166819).

14243453021 is an equidigital number, since it uses as much as digits as its factorization.

14243453021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298483.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 14243453021 its reverse (12035434241), we get a palindrome (26278887262).

The spelling of 14243453021 in words is "fourteen billion, two hundred forty-three million, four hundred fifty-three thousand, twenty-one".