231103122223 has 2 divisors, whose sum is σ = 231103122224. Its totient is φ = 231103122222.

The previous prime is 231103122193. The next prime is 231103122227. The reversal of 231103122223 is 322221301132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231103122223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231103122194 and 231103122203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231103122227) 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 as a sum of consecutive naturals, namely, 115551561111 + 115551561112.

It is an arithmetic number, because the mean of its divisors is an integer number (115551561112).

Almost surely, 2^231103122223 is an apocalyptic number.

231103122223 is a deficient number, since it is larger than the sum of its proper divisors (1).

231103122223 is an equidigital number, since it uses as much as digits as its factorization.

231103122223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231103122223 its reverse (322221301132), we get a palindrome (553324423355).

The spelling of 231103122223 in words is "two hundred thirty-one billion, one hundred three million, one hundred twenty-two thousand, two hundred twenty-three".