423345135 has 16 divisors (see below), whose sum is σ = 717196896. Its totient is φ = 212502528.

The previous prime is 423345133. The next prime is 423345173. The reversal of 423345135 is 531543324.

It is not a de Polignac number, because 423345135 - 2¹ = 423345133 is a prime.

It is a super-2 number, since 2×423345135² = 358442206656336450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423345133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829834 + ... + 830343.

It is an arithmetic number, because the mean of its divisors is an integer number (44824806).

Almost surely, 2^423345135 is an apocalyptic number.

423345135 is a deficient number, since it is larger than the sum of its proper divisors (293851761).

423345135 is a wasteful number, since it uses less digits than its factorization.

423345135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660202.

The product of its digits is 21600, while the sum is 30.

The square root of 423345135 is about 20575.3526093722. The cubic root of 423345135 is about 750.8701811004.

Adding to 423345135 its reverse (531543324), we get a palindrome (954888459).

The spelling of 423345135 in words is "four hundred twenty-three million, three hundred forty-five thousand, one hundred thirty-five".