43423330401344 has 112 divisors (see below), whose sum is σ = 93843807638400. Its totient is φ = 19856969588736.

The previous prime is 43423330401343. The next prime is 43423330401371. The reversal of 43423330401344 is 44310403332434.

It is a happy number.

43423330401344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 43423330401298 and 43423330401307.

It is not an unprimeable number, because it can be changed into a prime (43423330401343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 271558664 + ... + 271718520.

Almost surely, 2^{43423330401344} 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 43423330401344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46921903819200).

43423330401344 is an abundant number, since it is smaller than the sum of its proper divisors (50420477237056).

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

43423330401344 is a wasteful number, since it uses less digits than its factorization.

43423330401344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167620 (or 167610 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 38.

Adding to 43423330401344 its reverse (44310403332434), we get a palindrome (87733733733778).

The spelling of 43423330401344 in words is "forty-three trillion, four hundred twenty-three billion, three hundred thirty million, four hundred one thousand, three hundred forty-four".