215433342243 has 24 divisors (see below), whose sum is σ = 367108125696. Its totient is φ = 119133644400.

The previous prime is 215433342217. The next prime is 215433342247. The reversal of 215433342243 is 342243334512.

215433342243 is a `hidden beast` number, since 2 + 1 + 543 + 33 + 42 + 2 + 43 = 666.

215433342243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215433342243 - 2⁵ = 215433342211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215433342198 and 215433342207.

It is not an unprimeable number, because it can be changed into a prime (215433342247) 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 23 ways as a sum of consecutive naturals, for example, 55152513 + ... + 55156418.

It is an arithmetic number, because the mean of its divisors is an integer number (15296171904).

Almost surely, 2^215433342243 is an apocalyptic number.

215433342243 is a deficient number, since it is larger than the sum of its proper divisors (151674783453).

215433342243 is a wasteful number, since it uses less digits than its factorization.

215433342243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110308975 (or 110308972 counting only the distinct ones).

The product of its digits is 207360, while the sum is 36.

Adding to 215433342243 its reverse (342243334512), we get a palindrome (557676676755).

The spelling of 215433342243 in words is "two hundred fifteen billion, four hundred thirty-three million, three hundred forty-two thousand, two hundred forty-three".