231233885678 has 16 divisors (see below), whose sum is σ = 348100502400. Its totient is φ = 115200864696.

The previous prime is 231233885651. The next prime is 231233885689. The reversal of 231233885678 is 876588332132.

It is a happy number.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 851825 + ... + 1089987.

It is an arithmetic number, because the mean of its divisors is an integer number (21756281400).

Almost surely, 2^231233885678 is an apocalyptic number.

231233885678 is a deficient number, since it is larger than the sum of its proper divisors (116866616722).

231233885678 is a wasteful number, since it uses less digits than its factorization.

231233885678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239911.

The product of its digits is 11612160, while the sum is 56.

The spelling of 231233885678 in words is "two hundred thirty-one billion, two hundred thirty-three million, eight hundred eighty-five thousand, six hundred seventy-eight".