43243242353 has 2 divisors, whose sum is σ = 43243242354. Its totient is φ = 43243242352.

The previous prime is 43243242319. The next prime is 43243242373. The reversal of 43243242353 is 35324234234.

43243242353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42313724209 + 929518144 = 205703^2 + 30488^2 .

It is a cyclic number.

It is not a de Polignac number, because 43243242353 - 2¹⁰ = 43243241329 is a prime.

It is not a weakly prime, because it can be changed into another prime (43243242313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21621621176 + 21621621177.

It is an arithmetic number, because the mean of its divisors is an integer number (21621621177).

Almost surely, 2^43243242353 is an apocalyptic number.

It is an amenable number.

43243242353 is a deficient number, since it is larger than the sum of its proper divisors (1).

43243242353 is an equidigital number, since it uses as much as digits as its factorization.

43243242353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 35.

Adding to 43243242353 its reverse (35324234234), we get a palindrome (78567476587).

The spelling of 43243242353 in words is "forty-three billion, two hundred forty-three million, two hundred forty-two thousand, three hundred fifty-three".