130123235700 has 90 divisors (see below), whose sum is σ = 421808149686. Its totient is φ = 34699527360.

The previous prime is 130123235629. The next prime is 130123235717. The reversal of 130123235700 is 7532321031.

130123235700 is a `hidden beast` number, since 1 + 301 + 2 + 3 + 2 + 357 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 341732196 + 129781503504 = 18486^2 + 360252^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 29 ways as a sum of consecutive naturals, for example, 8024199 + ... + 8040398.

Almost surely, 2^130123235700 is an apocalyptic number.

130123235700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130123235700 is an abundant number, since it is smaller than the sum of its proper divisors (291684913986).

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

130123235700 is a wasteful number, since it uses less digits than its factorization.

130123235700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16064623 (or 16064607 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

Adding to 130123235700 its reverse (7532321031), we get a palindrome (137655556731).

The spelling of 130123235700 in words is "one hundred thirty billion, one hundred twenty-three million, two hundred thirty-five thousand, seven hundred".