456623 has 2 divisors, whose sum is σ = 456624. Its totient is φ = 456622.

The previous prime is 456613. The next prime is 456641. The reversal of 456623 is 326654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 456623 - 2⁴ = 456607 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 456592 and 456601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228311 + 228312.

It is an arithmetic number, because the mean of its divisors is an integer number (228312).

2⁴⁵⁶⁶²³ is an apocalyptic number.

456623 is a deficient number, since it is larger than the sum of its proper divisors (1).

456623 is an equidigital number, since it uses as much as digits as its factorization.

456623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 456623 is about 675.7388548840. The cubic root of 456623 is about 77.0050595427.

The spelling of 456623 in words is "four hundred fifty-six thousand, six hundred twenty-three".