130189823 has 4 divisors (see below), whose sum is σ = 131652720. Its totient is φ = 128726928.

The previous prime is 130189819. The next prime is 130189841. The reversal of 130189823 is 328981031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328981031 = 281 ⋅1170751.

It is a cyclic number.

It is not a de Polignac number, because 130189823 - 2² = 130189819 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 (130189123) 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, 731315 + ... + 731492.

It is an arithmetic number, because the mean of its divisors is an integer number (32913180).

Almost surely, 2^130189823 is an apocalyptic number.

130189823 is a deficient number, since it is larger than the sum of its proper divisors (1462897).

130189823 is an equidigital number, since it uses as much as digits as its factorization.

130189823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462896.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 130189823 is about 11410.0755036941. The cubic root of 130189823 is about 506.8261473278.

The spelling of 130189823 in words is "one hundred thirty million, one hundred eighty-nine thousand, eight hundred twenty-three".