459623 has 2 divisors, whose sum is σ = 459624. Its totient is φ = 459622.

The previous prime is 459619. The next prime is 459631. The reversal of 459623 is 326954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 459623 - 2² = 459619 is a prime.

It is a super-2 number, since 2×459623² = 422506604258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229811 + 229812.

It is an arithmetic number, because the mean of its divisors is an integer number (229812).

2⁴⁵⁹⁶²³ is an apocalyptic number.

459623 is a deficient number, since it is larger than the sum of its proper divisors (1).

459623 is an equidigital number, since it uses as much as digits as its factorization.

459623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 459623 is about 677.9550132568. The cubic root of 459623 is about 77.1733319076.

The spelling of 459623 in words is "four hundred fifty-nine thousand, six hundred twenty-three".