130243423520 has 48 divisors (see below), whose sum is σ = 351657246528. Its totient is φ = 44654887680.

The previous prime is 130243423487. The next prime is 130243423523. The reversal of 130243423520 is 25324342031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130243423523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58143266 + ... + 58145505.

It is an arithmetic number, because the mean of its divisors is an integer number (7326192636).

Almost surely, 2^130243423520 is an apocalyptic number.

130243423520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130243423520 is an abundant number, since it is smaller than the sum of its proper divisors (221413823008).

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

130243423520 is a wasteful number, since it uses less digits than its factorization.

130243423520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116288793 (or 116288785 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 130243423520 its reverse (25324342031), we get a palindrome (155567765551).

The spelling of 130243423520 in words is "one hundred thirty billion, two hundred forty-three million, four hundred twenty-three thousand, five hundred twenty".