231023320023 has 4 divisors (see below), whose sum is σ = 308031093368. Its totient is φ = 154015546680.

The previous prime is 231023320009. The next prime is 231023320039. The reversal of 231023320023 is 320023320132.

231023320023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 231023320023 - 2¹⁷ = 231023188951 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 (231023320823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38503886668 + ... + 38503886673.

It is an arithmetic number, because the mean of its divisors is an integer number (77007773342).

Almost surely, 2^231023320023 is an apocalyptic number.

231023320023 is a deficient number, since it is larger than the sum of its proper divisors (77007773345).

231023320023 is an equidigital number, since it uses as much as digits as its factorization.

231023320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77007773344.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 231023320023 its reverse (320023320132), we get a palindrome (551046640155).

The spelling of 231023320023 in words is "two hundred thirty-one billion, twenty-three million, three hundred twenty thousand, twenty-three".