43112234393 has 2 divisors, whose sum is σ = 43112234394. Its totient is φ = 43112234392.

The previous prime is 43112234381. The next prime is 43112234437. The reversal of 43112234393 is 39343221134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37794470464 + 5317763929 = 194408^2 + 72923^2 .

It is a cyclic number.

It is not a de Polignac number, because 43112234393 - 2⁶ = 43112234329 is a prime.

It is not a weakly prime, because it can be changed into another prime (43112234323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21556117196 + 21556117197.

It is an arithmetic number, because the mean of its divisors is an integer number (21556117197).

Almost surely, 2^43112234393 is an apocalyptic number.

It is an amenable number.

43112234393 is a deficient number, since it is larger than the sum of its proper divisors (1).

43112234393 is an equidigital number, since it uses as much as digits as its factorization.

43112234393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 35.

The spelling of 43112234393 in words is "forty-three billion, one hundred twelve million, two hundred thirty-four thousand, three hundred ninety-three".