130557823 has 8 divisors (see below), whose sum is σ = 143384400. Its totient is φ = 117890880.

The previous prime is 130557781. The next prime is 130557839. The reversal of 130557823 is 328755031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130557823 - 2⁹ = 130557311 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 (130557893) 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 7 ways as a sum of consecutive naturals, for example, 38190 + ... + 41467.

It is an arithmetic number, because the mean of its divisors is an integer number (17923050).

Almost surely, 2^130557823 is an apocalyptic number.

130557823 is a deficient number, since it is larger than the sum of its proper divisors (12826577).

130557823 is a wasteful number, since it uses less digits than its factorization.

130557823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79817.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 130557823 is about 11426.1902224670. The cubic root of 130557823 is about 507.3032367529.

The spelling of 130557823 in words is "one hundred thirty million, five hundred fifty-seven thousand, eight hundred twenty-three".