231423423263 has 2 divisors, whose sum is σ = 231423423264. Its totient is φ = 231423423262.

The previous prime is 231423423223. The next prime is 231423423317. The reversal of 231423423263 is 362324324132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231423423263 - 2³⁰ = 230349681439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231423423223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115711711631 + 115711711632.

It is an arithmetic number, because the mean of its divisors is an integer number (115711711632).

Almost surely, 2^231423423263 is an apocalyptic number.

231423423263 is a deficient number, since it is larger than the sum of its proper divisors (1).

231423423263 is an equidigital number, since it uses as much as digits as its factorization.

231423423263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 35.

Adding to 231423423263 its reverse (362324324132), we get a palindrome (593747747395).

The spelling of 231423423263 in words is "two hundred thirty-one billion, four hundred twenty-three million, four hundred twenty-three thousand, two hundred sixty-three".