1004312443 has 2 divisors, whose sum is σ = 1004312444. Its totient is φ = 1004312442.

The previous prime is 1004312437. The next prime is 1004312447. The reversal of 1004312443 is 3442134001.

It is a strong prime.

It is an emirp because it is prime and its reverse (3442134001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004312443 - 2¹⁷ = 1004181371 is a prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1004312447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502156221 + 502156222.

It is an arithmetic number, because the mean of its divisors is an integer number (502156222).

Almost surely, 2^1004312443 is an apocalyptic number.

1004312443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004312443 is an equidigital number, since it uses as much as digits as its factorization.

1004312443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1004312443 is about 31690.8889588159. Note that the first 3 decimals coincide. The cubic root of 1004312443 is about 1001.4354195848.

Adding to 1004312443 its reverse (3442134001), we get a palindrome (4446446444).

The spelling of 1004312443 in words is "one billion, four million, three hundred twelve thousand, four hundred forty-three".