130523438 has 8 divisors (see below), whose sum is σ = 195915888. Its totient is φ = 65218144.

The previous prime is 130523381. The next prime is 130523441. The reversal of 130523438 is 834325031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 130523438.

It is a congruent number.

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, 17906 + ... + 24117.

It is an arithmetic number, because the mean of its divisors is an integer number (24489486).

Almost surely, 2^130523438 is an apocalyptic number.

130523438 is a deficient number, since it is larger than the sum of its proper divisors (65392450).

130523438 is a wasteful number, since it uses less digits than its factorization.

130523438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43578.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 130523438 is about 11424.6854661299. The cubic root of 130523438 is about 507.2586967093.

Adding to 130523438 its reverse (834325031), we get a palindrome (964848469).

The spelling of 130523438 in words is "one hundred thirty million, five hundred twenty-three thousand, four hundred thirty-eight".