1232243523 has 72 divisors (see below), whose sum is σ = 2206010352. Its totient is φ = 684863424.

The previous prime is 1232243513. The next prime is 1232243527. The reversal of 1232243523 is 3253422321.

It is not a de Polignac number, because 1232243523 - 2⁵ = 1232243491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1232243527) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 439161 + ... + 441957.

Almost surely, 2^1232243523 is an apocalyptic number.

1232243523 is a deficient number, since it is larger than the sum of its proper divisors (973766829).

1232243523 is an equidigital number, since it uses as much as digits as its factorization.

1232243523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863 (or 2844 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 1232243523 is about 35103.3263808432. The cubic root of 1232243523 is about 1072.0923111804.

Adding to 1232243523 its reverse (3253422321), we get a palindrome (4485665844).

The spelling of 1232243523 in words is "one billion, two hundred thirty-two million, two hundred forty-three thousand, five hundred twenty-three".