863632423 has 2 divisors, whose sum is σ = 863632424. Its totient is φ = 863632422.

The previous prime is 863632421. The next prime is 863632481. The reversal of 863632423 is 324236368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 863632423 - 2¹ = 863632421 is a prime.

Together with 863632421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863632421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431816211 + 431816212.

It is an arithmetic number, because the mean of its divisors is an integer number (431816212).

Almost surely, 2^863632423 is an apocalyptic number.

863632423 is a deficient number, since it is larger than the sum of its proper divisors (1).

863632423 is an equidigital number, since it uses as much as digits as its factorization.

863632423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 37.

The square root of 863632423 is about 29387.6236364902. The cubic root of 863632423 is about 952.3055444026.

The spelling of 863632423 in words is "eight hundred sixty-three million, six hundred thirty-two thousand, four hundred twenty-three".