130503023 has 12 divisors (see below), whose sum is σ = 153735840. Its totient is φ = 110440512.

The previous prime is 130503017. The next prime is 130503047. The reversal of 130503023 is 320305031.

It is not a de Polignac number, because 130503023 - 2⁴ = 130503007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130502992 and 130503010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130503053) 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 11 ways as a sum of consecutive naturals, for example, 12986 + ... + 20727.

It is an arithmetic number, because the mean of its divisors is an integer number (12811320).

Almost surely, 2^130503023 is an apocalyptic number.

130503023 is a deficient number, since it is larger than the sum of its proper divisors (23232817).

130503023 is an equidigital number, since it uses as much as digits as its factorization.

130503023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33806 (or 33799 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 130503023 is about 11423.7919711451. The cubic root of 130503023 is about 507.2322487742.

Adding to 130503023 its reverse (320305031), we get a palindrome (450808054).

The spelling of 130503023 in words is "one hundred thirty million, five hundred three thousand, twenty-three".