1244023421023 has 2 divisors, whose sum is σ = 1244023421024. Its totient is φ = 1244023421022.

The previous prime is 1244023420987. The next prime is 1244023421033. The reversal of 1244023421023 is 3201243204421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1244023421023 - 2²¹ = 1244021323871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244023420982 and 1244023421000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244023421033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622011710511 + 622011710512.

It is an arithmetic number, because the mean of its divisors is an integer number (622011710512).

Almost surely, 2^{1244023421023} is an apocalyptic number.

1244023421023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244023421023 is an equidigital number, since it uses as much as digits as its factorization.

1244023421023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1244023421023 its reverse (3201243204421), we get a palindrome (4445266625444).

The spelling of 1244023421023 in words is "one trillion, two hundred forty-four billion, twenty-three million, four hundred twenty-one thousand, twenty-three".