130523144 has 64 divisors (see below), whose sum is σ = 271434240. Its totient is φ = 58567680.

The previous prime is 130523143. The next prime is 130523207. The reversal of 130523144 is 441325031.

It is a super-3 number, since 3×130523144³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (130523143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349742 + ... + 350114.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^130523144 is an apocalyptic number.

It is an amenable number.

130523144 is an abundant number, since it is smaller than the sum of its proper divisors (140911096).

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

130523144 is a wasteful number, since it uses less digits than its factorization.

130523144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 130523144 is about 11424.6725992476. The cubic root of 130523144 is about 507.2583158475.

Adding to 130523144 its reverse (441325031), we get a palindrome (571848175).

The spelling of 130523144 in words is "one hundred thirty million, five hundred twenty-three thousand, one hundred forty-four".