202102223 has 2 divisors, whose sum is σ = 202102224. Its totient is φ = 202102222.

The previous prime is 202102207. The next prime is 202102249. The reversal of 202102223 is 322201202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202102223 - 2⁴ = 202102207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202102198 and 202102207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202102253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051111 + 101051112.

It is an arithmetic number, because the mean of its divisors is an integer number (101051112).

Almost surely, 2^202102223 is an apocalyptic number.

202102223 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102223 is an equidigital number, since it uses as much as digits as its factorization.

202102223 is an evil number, because the sum of its binary digits is even.

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

The square root of 202102223 is about 14216.2661412904. The cubic root of 202102223 is about 586.8453893685.

Adding to 202102223 its reverse (322201202), we get a palindrome (524303425).

The spelling of 202102223 in words is "two hundred two million, one hundred two thousand, two hundred twenty-three".