1044223243291 has 2 divisors, whose sum is σ = 1044223243292. Its totient is φ = 1044223243290.

The previous prime is 1044223243207. The next prime is 1044223243321. The reversal of 1044223243291 is 1923423224401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1044223243291 - 2⁷ = 1044223243163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044223243291.

It is not a weakly prime, because it can be changed into another prime (1044223246291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522111621645 + 522111621646.

It is an arithmetic number, because the mean of its divisors is an integer number (522111621646).

Almost surely, 2^{1044223243291} is an apocalyptic number.

1044223243291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044223243291 is an equidigital number, since it uses as much as digits as its factorization.

1044223243291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 1044223243291 its reverse (1923423224401), we get a palindrome (2967646467692).

The spelling of 1044223243291 in words is "one trillion, forty-four billion, two hundred twenty-three million, two hundred forty-three thousand, two hundred ninety-one".