231321110103023 has 2 divisors, whose sum is σ = 231321110103024. Its totient is φ = 231321110103022.

The previous prime is 231321110102977. The next prime is 231321110103079. The reversal of 231321110103023 is 320301011123132.

231321110103023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231321110103023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231321110103023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231321110403023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115660555051511 + 115660555051512.

It is an arithmetic number, because the mean of its divisors is an integer number (115660555051512).

Almost surely, 2^{231321110103023} is an apocalyptic number.

231321110103023 is a deficient number, since it is larger than the sum of its proper divisors (1).

231321110103023 is an equidigital number, since it uses as much as digits as its factorization.

231321110103023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231321110103023 its reverse (320301011123132), we get a palindrome (551622121226155).

The spelling of 231321110103023 in words is "two hundred thirty-one trillion, three hundred twenty-one billion, one hundred ten million, one hundred three thousand, twenty-three".