475823 has 2 divisors, whose sum is σ = 475824. Its totient is φ = 475822.

The previous prime is 475807. The next prime is 475831. The reversal of 475823 is 328574.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 475823 - 2⁴ = 475807 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 4 + 7⁵ + 8⁴ + 5⁶ + 2¹⁸ + 3¹¹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237911 + 237912.

It is an arithmetic number, because the mean of its divisors is an integer number (237912).

2⁴⁷⁵⁸²³ is an apocalyptic number.

475823 is a deficient number, since it is larger than the sum of its proper divisors (1).

475823 is an equidigital number, since it uses as much as digits as its factorization.

475823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 475823 is about 689.7992461579. The cubic root of 475823 is about 78.0695741273.

The spelling of 475823 in words is "four hundred seventy-five thousand, eight hundred twenty-three".