43254543452203 has 12 divisors (see below), whose sum is σ = 45735299728608. Its totient is φ = 40902243453360.

The previous prime is 43254543452189. The next prime is 43254543452213. The reversal of 43254543452203 is 30225434545234.

It is a de Polignac number, because none of the positive numbers 2^k-43254543452203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43254543452213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110542851 + ... + 110933452.

It is an arithmetic number, because the mean of its divisors is an integer number (3811274977384).

Almost surely, 2^{43254543452203} is an apocalyptic number.

43254543452203 is a deficient number, since it is larger than the sum of its proper divisors (2480756276405).

43254543452203 is a wasteful number, since it uses less digits than its factorization.

43254543452203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221476882 (or 221476863 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 46.

Adding to 43254543452203 its reverse (30225434545234), we get a palindrome (73479977997437).

The spelling of 43254543452203 in words is "forty-three trillion, two hundred fifty-four billion, five hundred forty-three million, four hundred fifty-two thousand, two hundred three".