231677886923 has 4 divisors (see below), whose sum is σ = 264774727920. Its totient is φ = 198581045928.

The previous prime is 231677886911. The next prime is 231677886971. The reversal of 231677886923 is 329688776132.

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

It is a cyclic number.

It is not a de Polignac number, because 231677886923 - 2¹⁰ = 231677885899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231677826923) 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 in 3 ways as a sum of consecutive naturals, for example, 16548420488 + ... + 16548420501.

It is an arithmetic number, because the mean of its divisors is an integer number (66193681980).

Almost surely, 2^231677886923 is an apocalyptic number.

231677886923 is a deficient number, since it is larger than the sum of its proper divisors (33096840997).

231677886923 is an equidigital number, since it uses as much as digits as its factorization.

231677886923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33096840996.

The product of its digits is 36578304, while the sum is 62.

The spelling of 231677886923 in words is "two hundred thirty-one billion, six hundred seventy-seven million, eight hundred eighty-six thousand, nine hundred twenty-three".