223423324340 has 24 divisors (see below), whose sum is σ = 489588503040. Its totient is φ = 85483706528.

The previous prime is 223423324303. The next prime is 223423324357. The reversal of 223423324340 is 43423324322.

It is a happy number.

223423324340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 223423324297 and 223423324306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242850980 + ... + 242851899.

It is an arithmetic number, because the mean of its divisors is an integer number (20399520960).

Almost surely, 2^223423324340 is an apocalyptic number.

223423324340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223423324340 is an abundant number, since it is smaller than the sum of its proper divisors (266165178700).

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

223423324340 is a wasteful number, since it uses less digits than its factorization.

223423324340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485702911 (or 485702909 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 223423324340 its reverse (43423324322), we get a palindrome (266846648662).

The spelling of 223423324340 in words is "two hundred twenty-three billion, four hundred twenty-three million, three hundred twenty-four thousand, three hundred forty".