1013303123 has 16 divisors (see below), whose sum is σ = 1199935680. Its totient is φ = 837236736.

The previous prime is 1013303119. The next prime is 1013303129. The reversal of 1013303123 is 3213033101.

It is not a de Polignac number, because 1013303123 - 2² = 1013303119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013303129) 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 15 ways as a sum of consecutive naturals, for example, 132911 + ... + 140327.

It is an arithmetic number, because the mean of its divisors is an integer number (74995980).

Almost surely, 2^1013303123 is an apocalyptic number.

1013303123 is a deficient number, since it is larger than the sum of its proper divisors (186632557).

1013303123 is an equidigital number, since it uses as much as digits as its factorization.

1013303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1013303123 is about 31832.4225122751. The cubic root of 1013303123 is about 1004.4148547080.

Adding to 1013303123 its reverse (3213033101), we get a palindrome (4226336224).

The spelling of 1013303123 in words is "one billion, thirteen million, three hundred three thousand, one hundred twenty-three".