130235523 has 16 divisors (see below), whose sum is σ = 194555136. Its totient is φ = 76796640.

The previous prime is 130235509. The next prime is 130235527. The reversal of 130235523 is 325532031.

It is a happy number.

It is not a de Polignac number, because 130235523 - 2⁶ = 130235459 is a prime.

It is a super-2 number, since 2×130235523² = 33922582902167058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130235493 and 130235502.

It is not an unprimeable number, because it can be changed into a prime (130235527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52111 + ... + 54552.

It is an arithmetic number, because the mean of its divisors is an integer number (12159696).

Almost surely, 2^130235523 is an apocalyptic number.

130235523 is a deficient number, since it is larger than the sum of its proper divisors (64319613).

130235523 is a wasteful number, since it uses less digits than its factorization.

130235523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106714.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 130235523 is about 11412.0779440030. The cubic root of 130235523 is about 506.8854434253.

Adding to 130235523 its reverse (325532031), we get a palindrome (455767554).

The spelling of 130235523 in words is "one hundred thirty million, two hundred thirty-five thousand, five hundred twenty-three".