12432226665023 has 8 divisors (see below), whose sum is σ = 13570584508416. Its totient is φ = 11295228058200.

The previous prime is 12432226664993. The next prime is 12432226665041. The reversal of 12432226665023 is 32056662223421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432226665023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432226665323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339790013 + ... + 339826598.

It is an arithmetic number, because the mean of its divisors is an integer number (1696323063552).

Almost surely, 2^{12432226665023} is an apocalyptic number.

12432226665023 is a deficient number, since it is larger than the sum of its proper divisors (1138357843393).

12432226665023 is a wasteful number, since it uses less digits than its factorization.

12432226665023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679618285.

The product of its (nonzero) digits is 1244160, while the sum is 44.

Adding to 12432226665023 its reverse (32056662223421), we get a palindrome (44488888888444).

The spelling of 12432226665023 in words is "twelve trillion, four hundred thirty-two billion, two hundred twenty-six million, six hundred sixty-five thousand, twenty-three".