1303317023 has 4 divisors (see below), whose sum is σ = 1304652000. Its totient is φ = 1301982048.

The previous prime is 1303317013. The next prime is 1303317049. The reversal of 1303317023 is 3207133031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1303317023 - 2⁴ = 1303317007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1303317023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303317013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666023 + ... + 667976.

It is an arithmetic number, because the mean of its divisors is an integer number (326163000).

Almost surely, 2^1303317023 is an apocalyptic number.

1303317023 is a deficient number, since it is larger than the sum of its proper divisors (1334977).

1303317023 is an equidigital number, since it uses as much as digits as its factorization.

1303317023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334976.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 1303317023 is about 36101.4822825878. The cubic root of 1303317023 is about 1092.3203447600.

The spelling of 1303317023 in words is "one billion, three hundred three million, three hundred seventeen thousand, twenty-three".