43223440341432 has 128 divisors (see below), whose sum is σ = 117278977455360. Its totient is φ = 13195825843200.

The previous prime is 43223440341413. The next prime is 43223440341437. The reversal of 43223440341432 is 23414304432234.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43223440341437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85363807 + ... + 85868657.

It is an arithmetic number, because the mean of its divisors is an integer number (916242011370).

Almost surely, 2^{43223440341432} 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 43223440341432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58639488727680).

43223440341432 is an abundant number, since it is smaller than the sum of its proper divisors (74055537113928).

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

43223440341432 is a wasteful number, since it uses less digits than its factorization.

43223440341432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507013 (or 507009 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 43223440341432 its reverse (23414304432234), we get a palindrome (66637744773666).

The spelling of 43223440341432 in words is "forty-three trillion, two hundred twenty-three billion, four hundred forty million, three hundred forty-one thousand, four hundred thirty-two".