202023163 has 2 divisors, whose sum is σ = 202023164. Its totient is φ = 202023162.

The previous prime is 202023131. The next prime is 202023179. The reversal of 202023163 is 361320202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202023163 - 2⁵ = 202023131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202023163.

It is not a weakly prime, because it can be changed into another prime (202023463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101011581 + 101011582.

It is an arithmetic number, because the mean of its divisors is an integer number (101011582).

Almost surely, 2^202023163 is an apocalyptic number.

202023163 is a deficient number, since it is larger than the sum of its proper divisors (1).

202023163 is an equidigital number, since it uses as much as digits as its factorization.

202023163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 202023163 is about 14213.4852516897. The cubic root of 202023163 is about 586.7688570623.

Adding to 202023163 its reverse (361320202), we get a palindrome (563343365).

The spelling of 202023163 in words is "two hundred two million, twenty-three thousand, one hundred sixty-three".