12423323132 has 36 divisors (see below), whose sum is σ = 24935948688. Its totient is φ = 5401440000.

The previous prime is 12423323131. The next prime is 12423323173. The reversal of 12423323132 is 23132332421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423323131) 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, 546869 + ... + 569132.

Almost surely, 2^12423323132 is an apocalyptic number.

It is an amenable number.

12423323132 is an abundant number, since it is smaller than the sum of its proper divisors (12512625556).

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

12423323132 is a wasteful number, since it uses less digits than its factorization.

12423323132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116050 (or 1116037 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

Adding to 12423323132 its reverse (23132332421), we get a palindrome (35555655553).

The spelling of 12423323132 in words is "twelve billion, four hundred twenty-three million, three hundred twenty-three thousand, one hundred thirty-two".