523908263 has 2 divisors, whose sum is σ = 523908264. Its totient is φ = 523908262.

The previous prime is 523908239. The next prime is 523908289. The reversal of 523908263 is 362809325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523908263 - 2¹² = 523904167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523958263) 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, 261954131 + 261954132.

It is an arithmetic number, because the mean of its divisors is an integer number (261954132).

Almost surely, 2^523908263 is an apocalyptic number.

523908263 is a deficient number, since it is larger than the sum of its proper divisors (1).

523908263 is an equidigital number, since it uses as much as digits as its factorization.

523908263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 523908263 is about 22889.0424220849. The cubic root of 523908263 is about 806.1547477320.

The spelling of 523908263 in words is "five hundred twenty-three million, nine hundred eight thousand, two hundred sixty-three".