130232503 has 4 divisors (see below), whose sum is σ = 130346608. Its totient is φ = 130118400.

The previous prime is 130232483. The next prime is 130232507. The reversal of 130232503 is 305232031.

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-130232503 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 (130232507) 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, 55323 + ... + 57628.

It is an arithmetic number, because the mean of its divisors is an integer number (32586652).

Almost surely, 2^130232503 is an apocalyptic number.

130232503 is a deficient number, since it is larger than the sum of its proper divisors (114105).

130232503 is a wasteful number, since it uses less digits than its factorization.

130232503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114104.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 130232503 is about 11411.9456272802. The cubic root of 130232503 is about 506.8815253804.

Adding to 130232503 its reverse (305232031), we get a palindrome (435464534).

The spelling of 130232503 in words is "one hundred thirty million, two hundred thirty-two thousand, five hundred three".