23081831167 has 4 divisors (see below), whose sum is σ = 23119857856. Its totient is φ = 23043804480.

The previous prime is 23081831093. The next prime is 23081831173. The reversal of 23081831167 is 76113818032.

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 23081831167 - 2¹⁹ = 23081306879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23081831867) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19012434 + ... + 19013647.

It is an arithmetic number, because the mean of its divisors is an integer number (5779964464).

Almost surely, 2^23081831167 is an apocalyptic number.

23081831167 is a deficient number, since it is larger than the sum of its proper divisors (38026689).

23081831167 is an equidigital number, since it uses as much as digits as its factorization.

23081831167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38026688.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 23081831167 in words is "twenty-three billion, eighty-one million, eight hundred thirty-one thousand, one hundred sixty-seven".