234520660243 has 2 divisors, whose sum is σ = 234520660244. Its totient is φ = 234520660242.

The previous prime is 234520660211. The next prime is 234520660247. The reversal of 234520660243 is 342066025432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234520660243 - 2⁵ = 234520660211 is a prime.

It is not a weakly prime, because it can be changed into another prime (234520660247) 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, 117260330121 + 117260330122.

It is an arithmetic number, because the mean of its divisors is an integer number (117260330122).

Almost surely, 2^234520660243 is an apocalyptic number.

234520660243 is a deficient number, since it is larger than the sum of its proper divisors (1).

234520660243 is an equidigital number, since it uses as much as digits as its factorization.

234520660243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 234520660243 its reverse (342066025432), we get a palindrome (576586685675).

The spelling of 234520660243 in words is "two hundred thirty-four billion, five hundred twenty million, six hundred sixty thousand, two hundred forty-three".