231506420407463 has 2 divisors, whose sum is σ = 231506420407464. Its totient is φ = 231506420407462.

The previous prime is 231506420407441. The next prime is 231506420407469. The reversal of 231506420407463 is 364704024605132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231506420407463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231506420407469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115753210203731 + 115753210203732.

It is an arithmetic number, because the mean of its divisors is an integer number (115753210203732).

Almost surely, 2^{231506420407463} is an apocalyptic number.

231506420407463 is a deficient number, since it is larger than the sum of its proper divisors (1).

231506420407463 is an equidigital number, since it uses as much as digits as its factorization.

231506420407463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 231506420407463 in words is "two hundred thirty-one trillion, five hundred six billion, four hundred twenty million, four hundred seven thousand, four hundred sixty-three".