43423032243 has 16 divisors (see below), whose sum is σ = 58002894720. Its totient is φ = 28895978496.

The previous prime is 43423032239. The next prime is 43423032251. The reversal of 43423032243 is 34223032434.

It is not a de Polignac number, because 43423032243 - 2² = 43423032239 is a prime.

It is a super-2 number, since 2×43423032243² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43423032243.

It is not an unprimeable number, because it can be changed into a prime (43423032343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4400371 + ... + 4410227.

It is an arithmetic number, because the mean of its divisors is an integer number (3625180920).

Almost surely, 2^43423032243 is an apocalyptic number.

43423032243 is a deficient number, since it is larger than the sum of its proper divisors (14579862477).

43423032243 is a wasteful number, since it uses less digits than its factorization.

43423032243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12386.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 43423032243 its reverse (34223032434), we get a palindrome (77646064677).

The spelling of 43423032243 in words is "forty-three billion, four hundred twenty-three million, thirty-two thousand, two hundred forty-three".