43243163455 has 4 divisors (see below), whose sum is σ = 51891796152. Its totient is φ = 34594530760.

The previous prime is 43243163441. The next prime is 43243163497. The reversal of 43243163455 is 55436134234.

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

It is not a de Polignac number, because 43243163455 - 2²⁷ = 43108945727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324316341 + ... + 4324316350.

It is an arithmetic number, because the mean of its divisors is an integer number (12972949038).

Almost surely, 2^43243163455 is an apocalyptic number.

43243163455 is a deficient number, since it is larger than the sum of its proper divisors (8648632697).

43243163455 is an equidigital number, since it uses as much as digits as its factorization.

43243163455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648632696.

The product of its digits is 518400, while the sum is 40.

Adding to 43243163455 its reverse (55436134234), we get a palindrome (98679297689).

The spelling of 43243163455 in words is "forty-three billion, two hundred forty-three million, one hundred sixty-three thousand, four hundred fifty-five".