130511523 has 8 divisors (see below), whose sum is σ = 174073536. Its totient is φ = 86978600.

The previous prime is 130511503. The next prime is 130511587. The reversal of 130511523 is 325115031.

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

It is a cyclic number.

It is not a de Polignac number, because 130511523 - 2⁸ = 130511267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130511523.

It is not an unprimeable number, because it can be changed into a prime (130511503) 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, 7468 + ... + 17798.

It is an arithmetic number, because the mean of its divisors is an integer number (21759192).

Almost surely, 2^130511523 is an apocalyptic number.

130511523 is a deficient number, since it is larger than the sum of its proper divisors (43562013).

130511523 is a wasteful number, since it uses less digits than its factorization.

130511523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14545.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 130511523 is about 11424.1639956716. The cubic root of 130511523 is about 507.2432609853.

Adding to 130511523 its reverse (325115031), we get a palindrome (455626554).

The spelling of 130511523 in words is "one hundred thirty million, five hundred eleven thousand, five hundred twenty-three".