43123354352 has 80 divisors (see below), whose sum is σ = 90525122688. Its totient is φ = 19782593280.

The previous prime is 43123354343. The next prime is 43123354367. The reversal of 43123354352 is 25345332134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33610703 + ... + 33611985.

Almost surely, 2^43123354352 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 43123354352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45262561344).

43123354352 is an abundant number, since it is smaller than the sum of its proper divisors (47401768336).

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

43123354352 is a wasteful number, since it uses less digits than its factorization.

43123354352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 2152 counting only the distinct ones).

The product of its digits is 129600, while the sum is 35.

Adding to 43123354352 its reverse (25345332134), we get a palindrome (68468686486).

The spelling of 43123354352 in words is "forty-three billion, one hundred twenty-three million, three hundred fifty-four thousand, three hundred fifty-two".