423111111324 has 144 divisors (see below), whose sum is σ = 1097462919168. Its totient is φ = 126766640000.

The previous prime is 423111111289. The next prime is 423111111331.

423111111324 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 423111111294 and 423111111303.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 133598389 + ... + 133601555.

It is an arithmetic number, because the mean of its divisors is an integer number (7621270272).

Almost surely, 2^423111111324 is an apocalyptic number.

423111111324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423111111324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548731459584).

423111111324 is an abundant number, since it is smaller than the sum of its proper divisors (674351807844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423111111324 is a wasteful number, since it uses less digits than its factorization.

423111111324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208 (or 4195 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

It can be divided in two parts, 423111 and 111324, that added together give a palindrome (534435).

The spelling of 423111111324 in words is "four hundred twenty-three billion, one hundred eleven million, one hundred eleven thousand, three hundred twenty-four".