423111111303 has 8 divisors (see below), whose sum is σ = 565226827648. Its totient is φ = 281534734584.

The previous prime is 423111111289. The next prime is 423111111331. The reversal of 423111111303 is 303111111324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423111111303 - 2⁴ = 423111111287 is a prime.

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 423111111303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423111111373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134833075 + ... + 134836212.

It is an arithmetic number, because the mean of its divisors is an integer number (70653353456).

Almost surely, 2^423111111303 is an apocalyptic number.

423111111303 is a deficient number, since it is larger than the sum of its proper divisors (142115716345).

423111111303 is a wasteful number, since it uses less digits than its factorization.

423111111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269669813.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 423111111303 its sum of digits (21), we get a palindrome (423111111324).

Adding to 423111111303 its reverse (303111111324), we get a palindrome (726222222627).

The spelling of 423111111303 in words is "four hundred twenty-three billion, one hundred eleven million, one hundred eleven thousand, three hundred three".