230856357720165 has 32 divisors (see below), whose sum is σ = 408102083018496. Its totient is φ = 110842541061120.

The previous prime is 230856357720151. The next prime is 230856357720167. The reversal of 230856357720165 is 561027753658032.

It is not a de Polignac number, because 230856357720165 - 2³³ = 230847767785573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230856357720099 and 230856357720108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230856357720167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19680843046 + ... + 19680854775.

It is an arithmetic number, because the mean of its divisors is an integer number (12753190094328).

Almost surely, 2^{230856357720165} is an apocalyptic number.

It is an amenable number.

230856357720165 is a deficient number, since it is larger than the sum of its proper divisors (177245725298331).

230856357720165 is a wasteful number, since it uses less digits than its factorization.

230856357720165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39361697869.

The product of its (nonzero) digits is 63504000, while the sum is 60.

The spelling of 230856357720165 in words is "two hundred thirty trillion, eight hundred fifty-six billion, three hundred fifty-seven million, seven hundred twenty thousand, one hundred sixty-five".