43234843237 has 2 divisors, whose sum is σ = 43234843238. Its totient is φ = 43234843236.

The previous prime is 43234843213. The next prime is 43234843247. The reversal of 43234843237 is 73234843234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42813403396 + 421439841 = 206914^2 + 20529^2 .

It is a cyclic number.

It is not a de Polignac number, because 43234843237 - 2¹⁵ = 43234810469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43234843193 and 43234843202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43234843247) 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, 21617421618 + 21617421619.

It is an arithmetic number, because the mean of its divisors is an integer number (21617421619).

Almost surely, 2^43234843237 is an apocalyptic number.

It is an amenable number.

43234843237 is a deficient number, since it is larger than the sum of its proper divisors (1).

43234843237 is an equidigital number, since it uses as much as digits as its factorization.

43234843237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 43.

The spelling of 43234843237 in words is "forty-three billion, two hundred thirty-four million, eight hundred forty-three thousand, two hundred thirty-seven".