231323303123111 has 2 divisors, whose sum is σ = 231323303123112. Its totient is φ = 231323303123110.

The previous prime is 231323303123089. The next prime is 231323303123119. The reversal of 231323303123111 is 111321303323132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231323303123111 - 2³⁴ = 231306123253927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231323303123119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661651561555 + 115661651561556.

It is an arithmetic number, because the mean of its divisors is an integer number (115661651561556).

Almost surely, 2^{231323303123111} is an apocalyptic number.

231323303123111 is a deficient number, since it is larger than the sum of its proper divisors (1).

231323303123111 is an equidigital number, since it uses as much as digits as its factorization.

231323303123111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 231323303123111 its reverse (111321303323132), we get a palindrome (342644606446243).

The spelling of 231323303123111 in words is "two hundred thirty-one trillion, three hundred twenty-three billion, three hundred three million, one hundred twenty-three thousand, one hundred eleven".