231632236638563 has 2 divisors, whose sum is σ = 231632236638564. Its totient is φ = 231632236638562.

The previous prime is 231632236638527. The next prime is 231632236638587. The reversal of 231632236638563 is 365836632236132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231632236638563 - 2¹² = 231632236634467 is a prime.

It is not a weakly prime, because it can be changed into another prime (231632239638563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115816118319281 + 115816118319282.

It is an arithmetic number, because the mean of its divisors is an integer number (115816118319282).

Almost surely, 2^{231632236638563} is an apocalyptic number.

231632236638563 is a deficient number, since it is larger than the sum of its proper divisors (1).

231632236638563 is an equidigital number, since it uses as much as digits as its factorization.

231632236638563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100776960, while the sum is 59.

The spelling of 231632236638563 in words is "two hundred thirty-one trillion, six hundred thirty-two billion, two hundred thirty-six million, six hundred thirty-eight thousand, five hundred sixty-three".