202012223 has 4 divisors (see below), whose sum is σ = 230871120. Its totient is φ = 173153328.

The previous prime is 202012211. The next prime is 202012229. The reversal of 202012223 is 322210202.

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 202012223 - 2⁶ = 202012159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202012198 and 202012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012229) 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, 14429438 + ... + 14429451.

It is an arithmetic number, because the mean of its divisors is an integer number (57717780).

Almost surely, 2^202012223 is an apocalyptic number.

202012223 is a deficient number, since it is larger than the sum of its proper divisors (28858897).

202012223 is an equidigital number, since it uses as much as digits as its factorization.

202012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28858896.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 202012223 is about 14213.1004006867. The cubic root of 202012223 is about 586.7582652617.

Adding to 202012223 its reverse (322210202), we get a palindrome (524222425).

The spelling of 202012223 in words is "two hundred two million, twelve thousand, two hundred twenty-three".