130443 has 4 divisors (see below), whose sum is σ = 173928. Its totient is φ = 86960.

The previous prime is 130439. The next prime is 130447. The reversal of 130443 is 344031.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (130439) and next prime (130447).

It is a cyclic number.

It is not a de Polignac number, because 130443 - 2² = 130439 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (130447) 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, 21738 + ... + 21743.

It is an arithmetic number, because the mean of its divisors is an integer number (43482).

2¹³⁰⁴⁴³ is an apocalyptic number.

130443 is a deficient number, since it is larger than the sum of its proper divisors (43485).

130443 is an equidigital number, since it uses as much as digits as its factorization.

130443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43484.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 130443 is about 361.1689355413. The cubic root of 130443 is about 50.7154472108.

Adding to 130443 its reverse (344031), we get a palindrome (474474).

The spelling of 130443 in words is "one hundred thirty thousand, four hundred forty-three".