43323104020 has 144 divisors (see below), whose sum is σ = 107924373648. Its totient is φ = 14561648640.

The previous prime is 43323103987. The next prime is 43323104029. The reversal of 43323104020 is 2040132334.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6948222736 + 36374881284 = 83356^2 + 190722^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43323103982 and 43323104000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43323104029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21101314 + ... + 21103366.

It is an arithmetic number, because the mean of its divisors is an integer number (749474817).

Almost surely, 2^43323104020 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 43323104020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53962186824).

43323104020 is an abundant number, since it is smaller than the sum of its proper divisors (64601269628).

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

43323104020 is a wasteful number, since it uses less digits than its factorization.

43323104020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 43323104020 its reverse (2040132334), we get a palindrome (45363236354).

The spelling of 43323104020 in words is "forty-three billion, three hundred twenty-three million, one hundred four thousand, twenty".