223311223120 has 20 divisors (see below), whose sum is σ = 519198593940. Its totient is φ = 89324489216.

The previous prime is 223311223067. The next prime is 223311223129. The reversal of 223311223120 is 21322113322.

It can be written as a sum of positive squares in 2 ways, for example, as 27193329216 + 196117893904 = 164904^2 + 442852^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 223311223091 and 223311223100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223311223129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395695065 + ... + 1395695224.

It is an arithmetic number, because the mean of its divisors is an integer number (25959929697).

Almost surely, 2^223311223120 is an apocalyptic number.

223311223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223311223120 is an abundant number, since it is smaller than the sum of its proper divisors (295887370820).

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

223311223120 is a wasteful number, since it uses less digits than its factorization.

223311223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791390302 (or 2791390296 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223311223120 its reverse (21322113322), we get a palindrome (244633336442).

The spelling of 223311223120 in words is "two hundred twenty-three billion, three hundred eleven million, two hundred twenty-three thousand, one hundred twenty".