202212323223 has 4 divisors (see below), whose sum is σ = 269616430968. Its totient is φ = 134808215480.

The previous prime is 202212323221. The next prime is 202212323249. The reversal of 202212323223 is 322323212202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202212323223 - 2¹ = 202212323221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202212323193 and 202212323202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212323221) 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, 33702053868 + ... + 33702053873.

It is an arithmetic number, because the mean of its divisors is an integer number (67404107742).

Almost surely, 2^202212323223 is an apocalyptic number.

202212323223 is a deficient number, since it is larger than the sum of its proper divisors (67404107745).

202212323223 is an equidigital number, since it uses as much as digits as its factorization.

202212323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67404107744.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 202212323223 its reverse (322323212202), we get a palindrome (524535535425).

The spelling of 202212323223 in words is "two hundred two billion, two hundred twelve million, three hundred twenty-three thousand, two hundred twenty-three".