444230433421231 has 4 divisors (see below), whose sum is σ = 444239707010112. Its totient is φ = 444221159832352.

The previous prime is 444230433421193. The next prime is 444230433421319. The reversal of 444230433421231 is 132124334032444.

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 444230433421231 - 2⁴¹ = 442031410165679 is a prime.

It is a super-2 number, since 2×444230433421231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444230433422231) 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, 4636722586 + ... + 4636818391.

It is an arithmetic number, because the mean of its divisors is an integer number (111059926752528).

Almost surely, 2^{444230433421231} is an apocalyptic number.

444230433421231 is a deficient number, since it is larger than the sum of its proper divisors (9273588881).

444230433421231 is an equidigital number, since it uses as much as digits as its factorization.

444230433421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9273588880.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 444230433421231 its reverse (132124334032444), we get a palindrome (576354767453675).

The spelling of 444230433421231 in words is "four hundred forty-four trillion, two hundred thirty billion, four hundred thirty-three million, four hundred twenty-one thousand, two hundred thirty-one".