1044223993 has 2 divisors, whose sum is σ = 1044223994. Its totient is φ = 1044223992.

The previous prime is 1044223987. The next prime is 1044224009. The reversal of 1044223993 is 3993224401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990172089 + 54051904 = 31467^2 + 7352^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044223993 - 2²⁹ = 507353081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1044223093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522111996 + 522111997.

It is an arithmetic number, because the mean of its divisors is an integer number (522111997).

Almost surely, 2^1044223993 is an apocalyptic number.

It is an amenable number.

1044223993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044223993 is an equidigital number, since it uses as much as digits as its factorization.

1044223993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1044223993 is about 32314.4548615631. The cubic root of 1044223993 is about 1014.5292106749.

The spelling of 1044223993 in words is "one billion, forty-four million, two hundred twenty-three thousand, nine hundred ninety-three".