423465 has 32 divisors (see below), whose sum is σ = 802560. Its totient is φ = 186624.

The previous prime is 423463. The next prime is 423469. The reversal of 423465 is 564324.

It is not a de Polignac number, because 423465 - 2¹ = 423463 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3831 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (25080).

2⁴²³⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

423465 is a deficient number, since it is larger than the sum of its proper divisors (379095).

423465 is a wasteful number, since it uses less digits than its factorization.

423465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161.

The product of its digits is 2880, while the sum is 24.

The square root of 423465 is about 650.7418843136. The cubic root of 423465 is about 75.0941040984.

Adding to 423465 its reverse (564324), we get a palindrome (987789).

It can be divided in two parts, 423 and 465, that added together give a palindrome (888).

The spelling of 423465 in words is "four hundred twenty-three thousand, four hundred sixty-five".