12432423103444 has 12 divisors (see below), whose sum is σ = 22901832032800. Its totient is φ = 5889042522648.

The previous prime is 12432423103393. The next prime is 12432423103483. The reversal of 12432423103444 is 44430132423421.

It is a super-2 number, since 2×12432423103444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 81792257184 + ... + 81792257335.

Almost surely, 2^{12432423103444} is an apocalyptic number.

It is an amenable number.

12432423103444 is a deficient number, since it is larger than the sum of its proper divisors (10469408929356).

12432423103444 is a wasteful number, since it uses less digits than its factorization.

12432423103444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163584514542 (or 163584514540 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 12432423103444 its reverse (44430132423421), we get a palindrome (56862555526865).

The spelling of 12432423103444 in words is "twelve trillion, four hundred thirty-two billion, four hundred twenty-three million, one hundred three thousand, four hundred forty-four".