130523424 has 24 divisors (see below), whose sum is σ = 342624240. Its totient is φ = 43507776.

The previous prime is 130523381. The next prime is 130523441. The reversal of 130523424 is 424325031.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 130523394 and 130523403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679714 + ... + 679905.

It is an arithmetic number, because the mean of its divisors is an integer number (14276010).

Almost surely, 2^130523424 is an apocalyptic number.

It is an amenable number.

130523424 is an abundant number, since it is smaller than the sum of its proper divisors (212100816).

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

130523424 is a wasteful number, since it uses less digits than its factorization.

130523424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359632 (or 1359624 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 130523424 is about 11424.6848534216. The cubic root of 130523424 is about 507.2586785731.

Adding to 130523424 its reverse (424325031), we get a palindrome (554848455).

The spelling of 130523424 in words is "one hundred thirty million, five hundred twenty-three thousand, four hundred twenty-four".