43545443223 has 8 divisors (see below), whose sum is σ = 58355315568. Its totient is φ = 28882933184.

The previous prime is 43545443167. The next prime is 43545443231. The reversal of 43545443223 is 32234454534.

43545443223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43545443223 - 2⁶ = 43545443159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43545443423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36839886 + ... + 36841067.

It is an arithmetic number, because the mean of its divisors is an integer number (7294414446).

Almost surely, 2^43545443223 is an apocalyptic number.

43545443223 is a deficient number, since it is larger than the sum of its proper divisors (14809872345).

43545443223 is a wasteful number, since it uses less digits than its factorization.

43545443223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73681153.

The product of its digits is 691200, while the sum is 39.

Adding to 43545443223 its reverse (32234454534), we get a palindrome (75779897757).

The spelling of 43545443223 in words is "forty-three billion, five hundred forty-five million, four hundred forty-three thousand, two hundred twenty-three".