12023231532 has 48 divisors (see below), whose sum is σ = 30324641760. Its totient is φ = 3685690368.

The previous prime is 12023231503. The next prime is 12023231537. The reversal of 12023231532 is 23513232021.

It is a happy number.

12023231532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12023231537) 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 15 ways as a sum of consecutive naturals, for example, 101293 + ... + 185220.

It is an arithmetic number, because the mean of its divisors is an integer number (631763370).

Almost surely, 2^12023231532 is an apocalyptic number.

12023231532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12023231532 is an abundant number, since it is smaller than the sum of its proper divisors (18301410228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12023231532 is a wasteful number, since it uses less digits than its factorization.

12023231532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286802 (or 286800 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 12023231532 its reverse (23513232021), we get a palindrome (35536463553).

The spelling of 12023231532 in words is "twelve billion, twenty-three million, two hundred thirty-one thousand, five hundred thirty-two".