20235435343 has 2 divisors, whose sum is σ = 20235435344. Its totient is φ = 20235435342.

The previous prime is 20235435293. The next prime is 20235435391. The reversal of 20235435343 is 34353453202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20235435343 - 2²⁵ = 20201880911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20235435299 and 20235435308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20235435643) 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, 10117717671 + 10117717672.

It is an arithmetic number, because the mean of its divisors is an integer number (10117717672).

Almost surely, 2^20235435343 is an apocalyptic number.

20235435343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20235435343 is an equidigital number, since it uses as much as digits as its factorization.

20235435343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 20235435343 its reverse (34353453202), we get a palindrome (54588888545).

The spelling of 20235435343 in words is "twenty billion, two hundred thirty-five million, four hundred thirty-five thousand, three hundred forty-three".