43240203247 has 2 divisors, whose sum is σ = 43240203248. Its totient is φ = 43240203246.

The previous prime is 43240203191. The next prime is 43240203257. The reversal of 43240203247 is 74230204234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43240203247 - 2⁷ = 43240203119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240203257) 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, 21620101623 + 21620101624.

It is an arithmetic number, because the mean of its divisors is an integer number (21620101624).

Almost surely, 2^43240203247 is an apocalyptic number.

43240203247 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240203247 is an equidigital number, since it uses as much as digits as its factorization.

43240203247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 31.

The spelling of 43240203247 in words is "forty-three billion, two hundred forty million, two hundred three thousand, two hundred forty-seven".