1444230443923 has 2 divisors, whose sum is σ = 1444230443924. Its totient is φ = 1444230443922.

The previous prime is 1444230443911. The next prime is 1444230444049. The reversal of 1444230443923 is 3293440324441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1444230443923 - 2¹³ = 1444230435731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444230443923.

It is not a weakly prime, because it can be changed into another prime (1444230453923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722115221961 + 722115221962.

It is an arithmetic number, because the mean of its divisors is an integer number (722115221962).

Almost surely, 2^{1444230443923} is an apocalyptic number.

1444230443923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444230443923 is an equidigital number, since it uses as much as digits as its factorization.

1444230443923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 1444230443923 in words is "one trillion, four hundred forty-four billion, two hundred thirty million, four hundred forty-three thousand, nine hundred twenty-three".