423495 has 16 divisors (see below), whose sum is σ = 753120. Its totient is φ = 225792.

The previous prime is 423481. The next prime is 423497. The reversal of 423495 is 594324.

It is not a de Polignac number, because 423495 - 2⁵ = 423463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423497) 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 in 15 ways as a sum of consecutive naturals, for example, 1434 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (47070).

2⁴²³⁴⁹⁵ is an apocalyptic number.

423495 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423495 is a deficient number, since it is larger than the sum of its proper divisors (329625).

423495 is a wasteful number, since it uses less digits than its factorization.

423495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151 (or 3145 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 423495 is about 650.7649345194. The cubic root of 423495 is about 75.0958773815.

The spelling of 423495 in words is "four hundred twenty-three thousand, four hundred ninety-five".