444431411223 has 4 divisors (see below), whose sum is σ = 592575214968. Its totient is φ = 296287607480.

The previous prime is 444431411209. The next prime is 444431411227. The reversal of 444431411223 is 322114134444.

It is a happy number.

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 444431411223 - 2⁵ = 444431411191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444431411227) 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, 74071901868 + ... + 74071901873.

It is an arithmetic number, because the mean of its divisors is an integer number (148143803742).

Almost surely, 2^444431411223 is an apocalyptic number.

444431411223 is a deficient number, since it is larger than the sum of its proper divisors (148143803745).

444431411223 is a wasteful number, since it uses less digits than its factorization.

444431411223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148143803744.

The product of its digits is 36864, while the sum is 33.

Adding to 444431411223 its reverse (322114134444), we get a palindrome (766545545667).

The spelling of 444431411223 in words is "four hundred forty-four billion, four hundred thirty-one million, four hundred eleven thousand, two hundred twenty-three".