231323230223 has 2 divisors, whose sum is σ = 231323230224. Its totient is φ = 231323230222.

The previous prime is 231323230199. The next prime is 231323230241. The reversal of 231323230223 is 322032323132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231323230223 - 2⁸ = 231323229967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231323230192 and 231323230201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231323230423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115661615111 + 115661615112.

It is an arithmetic number, because the mean of its divisors is an integer number (115661615112).

Almost surely, 2^231323230223 is an apocalyptic number.

231323230223 is a deficient number, since it is larger than the sum of its proper divisors (1).

231323230223 is an equidigital number, since it uses as much as digits as its factorization.

231323230223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 231323230223 its reverse (322032323132), we get a palindrome (553355553355).

The spelling of 231323230223 in words is "two hundred thirty-one billion, three hundred twenty-three million, two hundred thirty thousand, two hundred twenty-three".