234320635543 has 2 divisors, whose sum is σ = 234320635544. Its totient is φ = 234320635542.

The previous prime is 234320635489. The next prime is 234320635553. The reversal of 234320635543 is 345536023432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234320635543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234320635496 and 234320635505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234320635553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117160317771 + 117160317772.

It is an arithmetic number, because the mean of its divisors is an integer number (117160317772).

Almost surely, 2^234320635543 is an apocalyptic number.

234320635543 is a deficient number, since it is larger than the sum of its proper divisors (1).

234320635543 is an equidigital number, since it uses as much as digits as its factorization.

234320635543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 40.

Adding to 234320635543 its reverse (345536023432), we get a palindrome (579856658975).

The spelling of 234320635543 in words is "two hundred thirty-four billion, three hundred twenty million, six hundred thirty-five thousand, five hundred forty-three".