203223311112 has 16 divisors (see below), whose sum is σ = 508058277840. Its totient is φ = 67741103696.

The previous prime is 203223311101. The next prime is 203223311113. The reversal of 203223311112 is 211113322302.

It is not an unprimeable number, because it can be changed into a prime (203223311113) 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, 4233818958 + ... + 4233819005.

It is an arithmetic number, because the mean of its divisors is an integer number (31753642365).

Almost surely, 2^203223311112 is an apocalyptic number.

It is an amenable number.

203223311112 is an abundant number, since it is smaller than the sum of its proper divisors (304834966728).

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

203223311112 is a wasteful number, since it uses less digits than its factorization.

203223311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467637972 (or 8467637968 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 203223311112 its reverse (211113322302), we get a palindrome (414336633414).

The spelling of 203223311112 in words is "two hundred three billion, two hundred twenty-three million, three hundred eleven thousand, one hundred twelve".