14223442412321 has 4 divisors (see below), whose sum is σ = 14383256372100. Its totient is φ = 14063628452544.

The previous prime is 14223442412303. The next prime is 14223442412339. The reversal of 14223442412321 is 12321424432241.

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

It is an interprime number because it is at equal distance from previous prime (14223442412303) and next prime (14223442412339).

It can be written as a sum of positive squares in 2 ways, for example, as 2846913798400 + 11376528613921 = 1687280^2 + 3372911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14223442412321 is a prime.

It is a super-2 number, since 2×14223442412321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14223442412521) 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, 79906979756 + ... + 79906979933.

It is an arithmetic number, because the mean of its divisors is an integer number (3595814093025).

Almost surely, 2^{14223442412321} is an apocalyptic number.

It is an amenable number.

14223442412321 is a deficient number, since it is larger than the sum of its proper divisors (159813959779).

14223442412321 is an equidigital number, since it uses as much as digits as its factorization.

14223442412321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159813959778.

The product of its digits is 73728, while the sum is 35.

Adding to 14223442412321 its reverse (12321424432241), we get a palindrome (26544866844562).

The spelling of 14223442412321 in words is "fourteen trillion, two hundred twenty-three billion, four hundred forty-two million, four hundred twelve thousand, three hundred twenty-one".