12023142346444 has 24 divisors (see below), whose sum is σ = 21387598727600. Its totient is φ = 5912419884480.

The previous prime is 12023142346441. The next prime is 12023142346519. The reversal of 12023142346444 is 44464324132021.

It is a junction number, because it is equal to n+sod(n) for n = 12023142346397 and 12023142346406.

It is not an unprimeable number, because it can be changed into a prime (12023142346441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93399 + ... + 4904590.

Almost surely, 2^{12023142346444} is an apocalyptic number.

It is an amenable number.

12023142346444 is a deficient number, since it is larger than the sum of its proper divisors (9364456381156).

12023142346444 is a wasteful number, since it uses less digits than its factorization.

12023142346444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007913 (or 5007911 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 12023142346444 its reverse (44464324132021), we get a palindrome (56487466478465).

The spelling of 12023142346444 in words is "twelve trillion, twenty-three billion, one hundred forty-two million, three hundred forty-six thousand, four hundred forty-four".