456563423 has 2 divisors, whose sum is σ = 456563424. Its totient is φ = 456563422.

The previous prime is 456563377. The next prime is 456563477. The reversal of 456563423 is 324365654.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456563423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456563623) 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, 228281711 + 228281712.

It is an arithmetic number, because the mean of its divisors is an integer number (228281712).

Almost surely, 2^456563423 is an apocalyptic number.

456563423 is a deficient number, since it is larger than the sum of its proper divisors (1).

456563423 is an equidigital number, since it uses as much as digits as its factorization.

456563423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 38.

The square root of 456563423 is about 21367.3447812310. The cubic root of 456563423 is about 770.0171036848.

The spelling of 456563423 in words is "four hundred fifty-six million, five hundred sixty-three thousand, four hundred twenty-three".