43043240230337 has 2 divisors, whose sum is σ = 43043240230338. Its totient is φ = 43043240230336.

The previous prime is 43043240230303. The next prime is 43043240230409. The reversal of 43043240230337 is 73303204234034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42896094339121 + 147145891216 = 6549511^2 + 383596^2 .

It is a cyclic number.

It is not a de Polignac number, because 43043240230337 - 2⁶ = 43043240230273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43043240230337.

It is not a weakly prime, because it can be changed into another prime (43043240233337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21521620115168 + 21521620115169.

It is an arithmetic number, because the mean of its divisors is an integer number (21521620115169).

Almost surely, 2^{43043240230337} is an apocalyptic number.

It is an amenable number.

43043240230337 is a deficient number, since it is larger than the sum of its proper divisors (1).

43043240230337 is an equidigital number, since it uses as much as digits as its factorization.

43043240230337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 38.

The spelling of 43043240230337 in words is "forty-three trillion, forty-three billion, two hundred forty million, two hundred thirty thousand, three hundred thirty-seven".