243234533471 has 2 divisors, whose sum is σ = 243234533472. Its totient is φ = 243234533470.

The previous prime is 243234533459. The next prime is 243234533489. The reversal of 243234533471 is 174335432342.

It is a happy number.

243234533471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243234533471 - 2³⁴ = 226054664287 is a prime.

It is a super-3 number, since 3×243234533471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243234533441) 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 as a sum of consecutive naturals, namely, 121617266735 + 121617266736.

It is an arithmetic number, because the mean of its divisors is an integer number (121617266736).

Almost surely, 2^243234533471 is an apocalyptic number.

243234533471 is a deficient number, since it is larger than the sum of its proper divisors (1).

243234533471 is an equidigital number, since it uses as much as digits as its factorization.

243234533471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 41.

The spelling of 243234533471 in words is "two hundred forty-three billion, two hundred thirty-four million, five hundred thirty-three thousand, four hundred seventy-one".