4444344441423 has 6 divisors (see below), whose sum is σ = 6419608637624. Its totient is φ = 2962896294276.

The previous prime is 4444344441419. The next prime is 4444344441461. The reversal of 4444344441423 is 3241444434444.

It is a happy number.

It is not a de Polignac number, because 4444344441423 - 2² = 4444344441419 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 (4444344441463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246908024515 + ... + 246908024532.

Almost surely, 2^{4444344441423} is an apocalyptic number.

4444344441423 is a deficient number, since it is larger than the sum of its proper divisors (1975264196201).

4444344441423 is a wasteful number, since it uses less digits than its factorization.

4444344441423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493816049053 (or 493816049050 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 45.

Adding to 4444344441423 its reverse (3241444434444), we get a palindrome (7685788875867).

The spelling of 4444344441423 in words is "four trillion, four hundred forty-four billion, three hundred forty-four million, four hundred forty-one thousand, four hundred twenty-three".