43240430141 has 2 divisors, whose sum is σ = 43240430142. Its totient is φ = 43240430140.

The previous prime is 43240430119. The next prime is 43240430209. The reversal of 43240430141 is 14103404234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41920924516 + 1319505625 = 204746^2 + 36325^2 .

It is a cyclic number.

It is not a de Polignac number, because 43240430141 - 2¹⁴ = 43240413757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43240430141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240430041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620215070 + 21620215071.

It is an arithmetic number, because the mean of its divisors is an integer number (21620215071).

Almost surely, 2^43240430141 is an apocalyptic number.

It is an amenable number.

43240430141 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240430141 is an equidigital number, since it uses as much as digits as its factorization.

43240430141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43240430141 its reverse (14103404234), we get a palindrome (57343834375).

The spelling of 43240430141 in words is "forty-three billion, two hundred forty million, four hundred thirty thousand, one hundred forty-one".