130623671836 has 24 divisors (see below), whose sum is σ = 261269045856. Its totient is φ = 55976923200.

The previous prime is 130623671819. The next prime is 130623671989. The reversal of 130623671836 is 638176326031.

It is a super-2 number, since 2×130623671836² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160686 + ... + 535786.

It is an arithmetic number, because the mean of its divisors is an integer number (10886210244).

Almost surely, 2^130623671836 is an apocalyptic number.

It is an amenable number.

130623671836 is an abundant number, since it is smaller than the sum of its proper divisors (130645374020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130623671836 is a wasteful number, since it uses less digits than its factorization.

130623671836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387549 (or 387547 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

Adding to 130623671836 its reverse (638176326031), we get a palindrome (768799997867).

The spelling of 130623671836 in words is "one hundred thirty billion, six hundred twenty-three million, six hundred seventy-one thousand, eight hundred thirty-six".