223020011312 has 20 divisors (see below), whose sum is σ = 493830025296. Its totient is φ = 95580004800.

The previous prime is 223020011257. The next prime is 223020011317. The reversal of 223020011312 is 213110020322.

It is a super-2 number, since 2×223020011312² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223020011317) 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, 995624939 + ... + 995625162.

Almost surely, 2^223020011312 is an apocalyptic number.

It is an amenable number.

223020011312 is an abundant number, since it is smaller than the sum of its proper divisors (270810013984).

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

223020011312 is a wasteful number, since it uses less digits than its factorization.

223020011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991250116 (or 1991250110 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 223020011312 its reverse (213110020322), we get a palindrome (436130031634).

The spelling of 223020011312 in words is "two hundred twenty-three billion, twenty million, eleven thousand, three hundred twelve".