232688208391 has 2 divisors, whose sum is σ = 232688208392. Its totient is φ = 232688208390.

The previous prime is 232688208353. The next prime is 232688208397. The reversal of 232688208391 is 193802886232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232688208391 - 2⁹ = 232688207879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232688208397) 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, 116344104195 + 116344104196.

It is an arithmetic number, because the mean of its divisors is an integer number (116344104196).

Almost surely, 2^232688208391 is an apocalyptic number.

232688208391 is a deficient number, since it is larger than the sum of its proper divisors (1).

232688208391 is an equidigital number, since it uses as much as digits as its factorization.

232688208391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 232688208391 in words is "two hundred thirty-two billion, six hundred eighty-eight million, two hundred eight thousand, three hundred ninety-one".