104321443421 has 4 divisors (see below), whose sum is σ = 112346169852. Its totient is φ = 96296716992.

The previous prime is 104321443403. The next prime is 104321443451. The reversal of 104321443421 is 124344123401.

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 4205522500 + 100115920921 = 64850^2 + 316411^2 .

It is a cyclic number.

It is not a de Polignac number, because 104321443421 - 2⁶ = 104321443357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104321443451) 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, 4012363196 + ... + 4012363221.

It is an arithmetic number, because the mean of its divisors is an integer number (28086542463).

Almost surely, 2^104321443421 is an apocalyptic number.

It is an amenable number.

104321443421 is a deficient number, since it is larger than the sum of its proper divisors (8024726431).

104321443421 is an equidigital number, since it uses as much as digits as its factorization.

104321443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8024726430.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 104321443421 its reverse (124344123401), we get a palindrome (228665566822).

The spelling of 104321443421 in words is "one hundred four billion, three hundred twenty-one million, four hundred forty-three thousand, four hundred twenty-one".