523115963 has 2 divisors, whose sum is σ = 523115964. Its totient is φ = 523115962.

The previous prime is 523115951. The next prime is 523115987. The reversal of 523115963 is 369511325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523115963 - 2⁶ = 523115899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (523115363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261557981 + 261557982.

It is an arithmetic number, because the mean of its divisors is an integer number (261557982).

Almost surely, 2^523115963 is an apocalyptic number.

523115963 is a deficient number, since it is larger than the sum of its proper divisors (1).

523115963 is an equidigital number, since it uses as much as digits as its factorization.

523115963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 35.

The square root of 523115963 is about 22871.7284655096. The cubic root of 523115963 is about 805.7481634138.

The spelling of 523115963 in words is "five hundred twenty-three million, one hundred fifteen thousand, nine hundred sixty-three".