232688208385 has 4 divisors (see below), whose sum is σ = 279225850068. Its totient is φ = 186150566704.

The previous prime is 232688208353. The next prime is 232688208391. The reversal of 232688208385 is 583802886232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136746862849 + 95941345536 = 369793^2 + 309744^2 .

It is a cyclic number.

It is not a de Polignac number, because 232688208385 - 2⁵ = 232688208353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23268820834 + ... + 23268820843.

It is an arithmetic number, because the mean of its divisors is an integer number (69806462517).

Almost surely, 2^232688208385 is an apocalyptic number.

It is an amenable number.

232688208385 is a deficient number, since it is larger than the sum of its proper divisors (46537641683).

232688208385 is an equidigital number, since it uses as much as digits as its factorization.

232688208385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46537641682.

The product of its (nonzero) digits is 8847360, while the sum is 55.

It can be divided in two parts, 23268 and 8208385, that added together give a triangular number (8231653 = T₄₀₅₇).

The spelling of 232688208385 in words is "two hundred thirty-two billion, six hundred eighty-eight million, two hundred eight thousand, three hundred eighty-five".