130323503 has 4 divisors (see below), whose sum is σ = 130452168. Its totient is φ = 130194840.

The previous prime is 130323499. The next prime is 130323521. The reversal of 130323503 is 305323031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305323031 = 13 ⋅23486387.

It is a cyclic number.

It is not a de Polignac number, because 130323503 - 2² = 130323499 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 (130323563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62801 + ... + 64842.

It is an arithmetic number, because the mean of its divisors is an integer number (32613042).

Almost surely, 2^130323503 is an apocalyptic number.

130323503 is a deficient number, since it is larger than the sum of its proper divisors (128665).

130323503 is a wasteful number, since it uses less digits than its factorization.

130323503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128664.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 130323503 is about 11415.9319812269. The cubic root of 130323503 is about 506.9995590979. Note that the first 3 decimals are identical.

Adding to 130323503 its reverse (305323031), we get a palindrome (435646534).

The spelling of 130323503 in words is "one hundred thirty million, three hundred twenty-three thousand, five hundred three".