12443353542 has 16 divisors (see below), whose sum is σ = 27651896880. Its totient is φ = 4147784496.

The previous prime is 12443353519. The next prime is 12443353567. The reversal of 12443353542 is 24535334421.

12443353542 is a `hidden beast` number, since 1 + 24 + 43 + 3 + 53 + 542 = 666.

12443353542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12443353497 and 12443353506.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115216183 + ... + 115216290.

It is an arithmetic number, because the mean of its divisors is an integer number (1728243555).

Almost surely, 2^12443353542 is an apocalyptic number.

12443353542 is an abundant number, since it is smaller than the sum of its proper divisors (15208543338).

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

12443353542 is a wasteful number, since it uses less digits than its factorization.

12443353542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230432484 (or 230432478 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 12443353542 its reverse (24535334421), we get a palindrome (36978687963).

The spelling of 12443353542 in words is "twelve billion, four hundred forty-three million, three hundred fifty-three thousand, five hundred forty-two".