1005345023 has 2 divisors, whose sum is σ = 1005345024. Its totient is φ = 1005345022.

The previous prime is 1005345017. The next prime is 1005345079. The reversal of 1005345023 is 3205435001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3205435001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005345023 - 2¹² = 1005340927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1005345023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005345013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502672511 + 502672512.

It is an arithmetic number, because the mean of its divisors is an integer number (502672512).

Almost surely, 2^1005345023 is an apocalyptic number.

1005345023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005345023 is an equidigital number, since it uses as much as digits as its factorization.

1005345023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1005345023 is about 31707.1762066571. The cubic root of 1005345023 is about 1001.7785093626.

The spelling of 1005345023 in words is "one billion, five million, three hundred forty-five thousand, twenty-three".