1301023303 has 4 divisors (see below), whose sum is σ = 1306607328. Its totient is φ = 1295439280.

The previous prime is 1301023289. The next prime is 1301023307. The reversal of 1301023303 is 3033201031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301023303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301023307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791663 + ... + 2792128.

It is an arithmetic number, because the mean of its divisors is an integer number (326651832).

Almost surely, 2^1301023303 is an apocalyptic number.

1301023303 is a deficient number, since it is larger than the sum of its proper divisors (5584025).

1301023303 is an equidigital number, since it uses as much as digits as its factorization.

1301023303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584024.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1301023303 is about 36069.7006225447. The cubic root of 1301023303 is about 1091.6791734972.

Adding to 1301023303 its reverse (3033201031), we get a palindrome (4334224334).

The spelling of 1301023303 in words is "one billion, three hundred one million, twenty-three thousand, three hundred three".