223243313340 has 96 divisors (see below), whose sum is σ = 633879086400. Its totient is φ = 58694270976.

The previous prime is 223243313291. The next prime is 223243313393. The reversal of 223243313340 is 43313342322.

It is a super-3 number, since 3×223243313340³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 223243313298 and 223243313307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14257836 + ... + 14273484.

It is an arithmetic number, because the mean of its divisors is an integer number (6602907150).

Almost surely, 2^223243313340 is an apocalyptic number.

223243313340 is a gapful number since it is divisible by the number (20) 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 223243313340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316939543200).

223243313340 is an abundant number, since it is smaller than the sum of its proper divisors (410635773060).

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

223243313340 is a wasteful number, since it uses less digits than its factorization.

223243313340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18991 (or 18989 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 223243313340 its reverse (43313342322), we get a palindrome (266556655662).

The spelling of 223243313340 in words is "two hundred twenty-three billion, two hundred forty-three million, three hundred thirteen thousand, three hundred forty".