232130523 has 4 divisors (see below), whose sum is σ = 309507368. Its totient is φ = 154753680.

The previous prime is 232130497. The next prime is 232130531. The reversal of 232130523 is 325031232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 232130523 - 2⁵ = 232130491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232130523.

It is not an unprimeable number, because it can be changed into a prime (232130593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38688418 + ... + 38688423.

It is an arithmetic number, because the mean of its divisors is an integer number (77376842).

Almost surely, 2^232130523 is an apocalyptic number.

232130523 is a deficient number, since it is larger than the sum of its proper divisors (77376845).

232130523 is an equidigital number, since it uses as much as digits as its factorization.

232130523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77376844.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 232130523 is about 15235.8302366494. The cubic root of 232130523 is about 614.5785757206.

Adding to 232130523 its reverse (325031232), we get a palindrome (557161755).

The spelling of 232130523 in words is "two hundred thirty-two million, one hundred thirty thousand, five hundred twenty-three".