130403443 has 4 divisors (see below), whose sum is σ = 130508280. Its totient is φ = 130298608.

The previous prime is 130403431. The next prime is 130403461. The reversal of 130403443 is 344304031.

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-130403443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130403843) 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, 50530 + ... + 53047.

It is an arithmetic number, because the mean of its divisors is an integer number (32627070).

Almost surely, 2^130403443 is an apocalyptic number.

130403443 is a deficient number, since it is larger than the sum of its proper divisors (104837).

130403443 is a wasteful number, since it uses less digits than its factorization.

130403443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104836.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 130403443 is about 11419.4326916883. The cubic root of 130403443 is about 507.1032018530.

Adding to 130403443 its reverse (344304031), we get a palindrome (474707474).

The spelling of 130403443 in words is "one hundred thirty million, four hundred three thousand, four hundred forty-three".