1003445323 has 2 divisors, whose sum is σ = 1003445324. Its totient is φ = 1003445322.

The previous prime is 1003445321. The next prime is 1003445369. The reversal of 1003445323 is 3235443001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1003445323 - 2¹ = 1003445321 is a prime.

Together with 1003445321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1003445321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501722661 + 501722662.

It is an arithmetic number, because the mean of its divisors is an integer number (501722662).

Almost surely, 2^1003445323 is an apocalyptic number.

1003445323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003445323 is an equidigital number, since it uses as much as digits as its factorization.

1003445323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1003445323 is about 31677.2051008292. The cubic root of 1003445323 is about 1001.1471246020.

Adding to 1003445323 its reverse (3235443001), we get a palindrome (4238888324).

The spelling of 1003445323 in words is "one billion, three million, four hundred forty-five thousand, three hundred twenty-three".