202112312223 has 8 divisors (see below), whose sum is σ = 283666403200. Its totient is φ = 127649881368.

The previous prime is 202112312137. The next prime is 202112312267. The reversal of 202112312223 is 322213211202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202112312223 - 2²¹ = 202110215071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202112312223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112312323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772914963 + ... + 1772915076.

It is an arithmetic number, because the mean of its divisors is an integer number (35458300400).

Almost surely, 2^202112312223 is an apocalyptic number.

202112312223 is a deficient number, since it is larger than the sum of its proper divisors (81554090977).

202112312223 is a wasteful number, since it uses less digits than its factorization.

202112312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545830061.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 202112312223 its reverse (322213211202), we get a palindrome (524325523425).

The spelling of 202112312223 in words is "two hundred two billion, one hundred twelve million, three hundred twelve thousand, two hundred twenty-three".