444214421423 has 4 divisors (see below), whose sum is σ = 449566402488. Its totient is φ = 438862440360.

The previous prime is 444214421393. The next prime is 444214421471. The reversal of 444214421423 is 324124412444.

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

It is a cyclic number.

It is not a de Polignac number, because 444214421423 - 2²² = 444210227119 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 (444214426423) 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, 2675990408 + ... + 2675990573.

It is an arithmetic number, because the mean of its divisors is an integer number (112391600622).

Almost surely, 2^444214421423 is an apocalyptic number.

444214421423 is a deficient number, since it is larger than the sum of its proper divisors (5351981065).

444214421423 is an equidigital number, since it uses as much as digits as its factorization.

444214421423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351981064.

The product of its digits is 98304, while the sum is 35.

Adding to 444214421423 its reverse (324124412444), we get a palindrome (768338833867).

The spelling of 444214421423 in words is "four hundred forty-four billion, two hundred fourteen million, four hundred twenty-one thousand, four hundred twenty-three".