230811732905 has 16 divisors (see below), whose sum is σ = 311248465920. Its totient is φ = 163034908608.

The previous prime is 230811732889. The next prime is 230811732913. The reversal of 230811732905 is 509237118032.

It is not a de Polignac number, because 230811732905 - 2⁴ = 230811732889 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77193065 + ... + 77196054.

It is an arithmetic number, because the mean of its divisors is an integer number (19453029120).

Almost surely, 2^230811732905 is an apocalyptic number.

It is an amenable number.

230811732905 is a deficient number, since it is larger than the sum of its proper divisors (80436733015).

230811732905 is a wasteful number, since it uses less digits than its factorization.

230811732905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154389160.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 230811732905 in words is "two hundred thirty billion, eight hundred eleven million, seven hundred thirty-two thousand, nine hundred five".