423435203144435 has 4 divisors (see below), whose sum is σ = 508122243773328. Its totient is φ = 338748162515544.

The previous prime is 423435203144417. The next prime is 423435203144483. The reversal of 423435203144435 is 534441302534324.

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

It is a cyclic number.

It is not a de Polignac number, because 423435203144435 - 2²⁰ = 423435202095859 is a prime.

It is a super-2 number, since 2×423435203144435² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423435203144435.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42343520314439 + ... + 42343520314448.

It is an arithmetic number, because the mean of its divisors is an integer number (127030560943332).

Almost surely, 2^{423435203144435} is an apocalyptic number.

423435203144435 is a deficient number, since it is larger than the sum of its proper divisors (84687040628893).

423435203144435 is an equidigital number, since it uses as much as digits as its factorization.

423435203144435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84687040628892.

The product of its (nonzero) digits is 8294400, while the sum is 47.

Adding to 423435203144435 its reverse (534441302534324), we get a palindrome (957876505678759).

The spelling of 423435203144435 in words is "four hundred twenty-three trillion, four hundred thirty-five billion, two hundred three million, one hundred forty-four thousand, four hundred thirty-five".