43543232141 has 4 divisors (see below), whose sum is σ = 43545462492. Its totient is φ = 43541001792.

The previous prime is 43543232137. The next prime is 43543232143. The reversal of 43543232141 is 14123234534.

43543232141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22817310916 + 20725921225 = 151054^2 + 143965^2 .

It is a cyclic number.

It is not a de Polignac number, because 43543232141 - 2² = 43543232137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43543232098 and 43543232107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43543232143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085630 + ... + 1125023.

It is an arithmetic number, because the mean of its divisors is an integer number (10886365623).

Almost surely, 2^43543232141 is an apocalyptic number.

It is an amenable number.

43543232141 is a deficient number, since it is larger than the sum of its proper divisors (2230351).

43543232141 is a wasteful number, since it uses less digits than its factorization.

43543232141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230350.

The product of its digits is 34560, while the sum is 32.

Adding to 43543232141 its reverse (14123234534), we get a palindrome (57666466675).

The spelling of 43543232141 in words is "forty-three billion, five hundred forty-three million, two hundred thirty-two thousand, one hundred forty-one".