231223463 has 2 divisors, whose sum is σ = 231223464. Its totient is φ = 231223462.

The previous prime is 231223423. The next prime is 231223481. The reversal of 231223463 is 364322132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231223463 - 2⁸ = 231223207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231223403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611731 + 115611732.

It is an arithmetic number, because the mean of its divisors is an integer number (115611732).

Almost surely, 2^231223463 is an apocalyptic number.

231223463 is a deficient number, since it is larger than the sum of its proper divisors (1).

231223463 is an equidigital number, since it uses as much as digits as its factorization.

231223463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 26.

The square root of 231223463 is about 15206.0337695271. The cubic root of 231223463 is about 613.7770333882. Note that the first 3 decimals are identical.

Adding to 231223463 its reverse (364322132), we get a palindrome (595545595).

The spelling of 231223463 in words is "two hundred thirty-one million, two hundred twenty-three thousand, four hundred sixty-three".