42231143212344 has 192 divisors, whose sum is σ = 120329930579040. Its totient is φ = 13873478860800.

The previous prime is 42231143212309. The next prime is 42231143212421. The reversal of 42231143212344 is 44321234113224.

42231143212344 is a `hidden beast` number, since 42 + 23 + 1 + 1 + 43 + 212 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42231143212299 and 42231143212308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184513144 + ... + 184741880.

Almost surely, 2^{42231143212344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42231143212344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60164965289520).

42231143212344 is an abundant number, since it is smaller than the sum of its proper divisors (78098787366696).

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

42231143212344 is a wasteful number, since it uses less digits than its factorization.

42231143212344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230132 (or 230116 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 42231143212344 its reverse (44321234113224), we get a palindrome (86552377325568).

The spelling of 42231143212344 in words is "forty-two trillion, two hundred thirty-one billion, one hundred forty-three million, two hundred twelve thousand, three hundred forty-four".