1444343305423 has 4 divisors (see below), whose sum is σ = 1444346036848. Its totient is φ = 1444340574000.

The previous prime is 1444343305411. The next prime is 1444343305451. The reversal of 1444343305423 is 3245033434441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444343305423 is a prime.

It is a super-2 number, since 2×1444343305423² (a number of 25 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 (1444343335423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290211 + ... + 1724212.

It is an arithmetic number, because the mean of its divisors is an integer number (361086509212).

Almost surely, 2^{1444343305423} is an apocalyptic number.

1444343305423 is a deficient number, since it is larger than the sum of its proper divisors (2731425).

1444343305423 is an equidigital number, since it uses as much as digits as its factorization.

1444343305423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731424.

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 1444343305423 its reverse (3245033434441), we get a palindrome (4689376739864).

The spelling of 1444343305423 in words is "one trillion, four hundred forty-four billion, three hundred forty-three million, three hundred five thousand, four hundred twenty-three".