223011320112 has 240 divisors, whose sum is σ = 756195028992. Its totient is φ = 59995261440.

The previous prime is 223011320093. The next prime is 223011320113. The reversal of 223011320112 is 211023110322.

223011320112 is a `hidden beast` number, since 2 + 230 + 1 + 1 + 320 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (223011320113) 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 47 ways as a sum of consecutive naturals, for example, 1059733 + ... + 1252619.

Almost surely, 2^223011320112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223011320112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378097514496).

223011320112 is an abundant number, since it is smaller than the sum of its proper divisors (533183708880).

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

223011320112 is a wasteful number, since it uses less digits than its factorization.

223011320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192976 (or 192967 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223011320112 its reverse (211023110322), we get a palindrome (434034430434).

The spelling of 223011320112 in words is "two hundred twenty-three billion, eleven million, three hundred twenty thousand, one hundred twelve".