1444444428523 has 2 divisors, whose sum is σ = 1444444428524. Its totient is φ = 1444444428522.

The previous prime is 1444444428499. The next prime is 1444444428527. The reversal of 1444444428523 is 3258244444441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444444428523 is a prime.

It is a super-2 number, since 2×1444444428523² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1444444428527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722222214261 + 722222214262.

It is an arithmetic number, because the mean of its divisors is an integer number (722222214262).

Almost surely, 2^{1444444428523} is an apocalyptic number.

1444444428523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444444428523 is an equidigital number, since it uses as much as digits as its factorization.

1444444428523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7864320, while the sum is 49.

The spelling of 1444444428523 in words is "one trillion, four hundred forty-four billion, four hundred forty-four million, four hundred twenty-eight thousand, five hundred twenty-three".