14142430321 has 4 divisors (see below), whose sum is σ = 14142691044. Its totient is φ = 14142169600.

The previous prime is 14142430307. The next prime is 14142430333. The reversal of 14142430321 is 12303424141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7062049296 + 7080381025 = 84036^2 + 84145^2 .

It is a cyclic number.

It is not a de Polignac number, because 14142430321 - 2⁷ = 14142430193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14142430391) 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, 14920 + ... + 168841.

It is an arithmetic number, because the mean of its divisors is an integer number (3535672761).

Almost surely, 2^14142430321 is an apocalyptic number.

It is an amenable number.

14142430321 is a deficient number, since it is larger than the sum of its proper divisors (260723).

14142430321 is an equidigital number, since it uses as much as digits as its factorization.

14142430321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260722.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 14142430321 its reverse (12303424141), we get a palindrome (26445854462).

The spelling of 14142430321 in words is "fourteen billion, one hundred forty-two million, four hundred thirty thousand, three hundred twenty-one".