130233523 has 12 divisors (see below), whose sum is σ = 151739472. Its totient is φ = 111449520.

The previous prime is 130233497. The next prime is 130233529. The reversal of 130233523 is 325332031.

It is a happy number.

It is not a de Polignac number, because 130233523 - 2⁵ = 130233491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130233494 and 130233503.

It is not an unprimeable number, because it can be changed into a prime (130233529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35338 + ... + 38848.

It is an arithmetic number, because the mean of its divisors is an integer number (12644956).

Almost surely, 2^130233523 is an apocalyptic number.

130233523 is a deficient number, since it is larger than the sum of its proper divisors (21505949).

130233523 is an equidigital number, since it uses as much as digits as its factorization.

130233523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282 (or 4275 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 130233523 is about 11411.9903172058. The cubic root of 130233523 is about 506.8828487004.

Adding to 130233523 its reverse (325332031), we get a palindrome (455565554).

The spelling of 130233523 in words is "one hundred thirty million, two hundred thirty-three thousand, five hundred twenty-three".