459216623 has 2 divisors, whose sum is σ = 459216624. Its totient is φ = 459216622.

The previous prime is 459216607. The next prime is 459216683. The reversal of 459216623 is 326612954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 459216623 - 2⁴ = 459216607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459216683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229608311 + 229608312.

It is an arithmetic number, because the mean of its divisors is an integer number (229608312).

Almost surely, 2^459216623 is an apocalyptic number.

459216623 is a deficient number, since it is larger than the sum of its proper divisors (1).

459216623 is an equidigital number, since it uses as much as digits as its factorization.

459216623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 459216623 is about 21429.3402371608. The cubic root of 459216623 is about 771.5058085985.

The spelling of 459216623 in words is "four hundred fifty-nine million, two hundred sixteen thousand, six hundred twenty-three".