130516823 has 4 divisors (see below), whose sum is σ = 130743600. Its totient is φ = 130290048.

The previous prime is 130516819. The next prime is 130516831. The reversal of 130516823 is 328615031.

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

It is a cyclic number.

It is not a de Polignac number, because 130516823 - 2² = 130516819 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 (130516853) 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 in 3 ways as a sum of consecutive naturals, for example, 112523 + ... + 113676.

It is an arithmetic number, because the mean of its divisors is an integer number (32685900).

Almost surely, 2^130516823 is an apocalyptic number.

130516823 is a deficient number, since it is larger than the sum of its proper divisors (226777).

130516823 is an equidigital number, since it uses as much as digits as its factorization.

130516823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226776.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 130516823 is about 11424.3959577739. The cubic root of 130516823 is about 507.2501271808.

The spelling of 130516823 in words is "one hundred thirty million, five hundred sixteen thousand, eight hundred twenty-three".