43243321307 has 2 divisors, whose sum is σ = 43243321308. Its totient is φ = 43243321306.

The previous prime is 43243321283. The next prime is 43243321421. The reversal of 43243321307 is 70312334234.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43243321307 is a prime.

It is not a weakly prime, because it can be changed into another prime (43243321607) 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, 21621660653 + 21621660654.

It is an arithmetic number, because the mean of its divisors is an integer number (21621660654).

Almost surely, 2^43243321307 is an apocalyptic number.

43243321307 is a deficient number, since it is larger than the sum of its proper divisors (1).

43243321307 is an equidigital number, since it uses as much as digits as its factorization.

43243321307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 32.

The spelling of 43243321307 in words is "forty-three billion, two hundred forty-three million, three hundred twenty-one thousand, three hundred seven".