130232173 has 2 divisors, whose sum is σ = 130232174. Its totient is φ = 130232172.

The previous prime is 130232153. The next prime is 130232227. The reversal of 130232173 is 371232031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120516484 + 9715689 = 10978^2 + 3117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130232173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130232153) 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 as a sum of consecutive naturals, namely, 65116086 + 65116087.

It is an arithmetic number, because the mean of its divisors is an integer number (65116087).

Almost surely, 2^130232173 is an apocalyptic number.

It is an amenable number.

130232173 is a deficient number, since it is larger than the sum of its proper divisors (1).

130232173 is an equidigital number, since it uses as much as digits as its factorization.

130232173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 130232173 is about 11411.9311687374. The cubic root of 130232173 is about 506.8810972460.

The spelling of 130232173 in words is "one hundred thirty million, two hundred thirty-two thousand, one hundred seventy-three".