223202031312 has 160 divisors (see below), whose sum is σ = 648456996096. Its totient is φ = 65640960000.

The previous prime is 223202031307. The next prime is 223202031319. The reversal of 223202031312 is 213130202322.

It is a happy number.

It is a super-3 number, since 3×223202031312³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223202031319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21250062 + ... + 21260562.

Almost surely, 2^223202031312 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 223202031312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324228498048).

223202031312 is an abundant number, since it is smaller than the sum of its proper divisors (425254964784).

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

223202031312 is a wasteful number, since it uses less digits than its factorization.

223202031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12029 (or 12023 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223202031312 its reverse (213130202322), we get a palindrome (436332233634).

The spelling of 223202031312 in words is "two hundred twenty-three billion, two hundred two million, thirty-one thousand, three hundred twelve".