423485 has 4 divisors (see below), whose sum is σ = 508188. Its totient is φ = 338784.

The previous prime is 423481. The next prime is 423497. The reversal of 423485 is 584324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 334084 + 89401 = 578^2 + 299^2 .

It is a cyclic number.

It is not a de Polignac number, because 423485 - 2² = 423481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42344 + ... + 42353.

It is an arithmetic number, because the mean of its divisors is an integer number (127047).

2⁴²³⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

423485 is a deficient number, since it is larger than the sum of its proper divisors (84703).

423485 is an equidigital number, since it uses as much as digits as its factorization.

423485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84702.

The product of its digits is 3840, while the sum is 26.

The square root of 423485 is about 650.7572512082. The cubic root of 423485 is about 75.0952862964.

The spelling of 423485 in words is "four hundred twenty-three thousand, four hundred eighty-five".