12423433544442 has 24 divisors (see below), whose sum is σ = 27490150823616. Its totient is φ = 4053035056776.

The previous prime is 12423433544413. The next prime is 12423433544491. The reversal of 12423433544442 is 24444533432421.

12423433544442 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 34 + 33 + 544 + 4 + 42 = 666.

It is a super-3 number, since 3×12423433544442³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7342453968 + ... + 7342455659.

It is an arithmetic number, because the mean of its divisors is an integer number (1145422950984).

Almost surely, 2^{12423433544442} is an apocalyptic number.

12423433544442 is an abundant number, since it is smaller than the sum of its proper divisors (15066717279174).

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

12423433544442 is a wasteful number, since it uses less digits than its factorization.

12423433544442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14684909682 (or 14684909679 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 45.

Adding to 12423433544442 its reverse (24444533432421), we get a palindrome (36867966976863).

The spelling of 12423433544442 in words is "twelve trillion, four hundred twenty-three billion, four hundred thirty-three million, five hundred forty-four thousand, four hundred forty-two".