202140223 has 4 divisors (see below), whose sum is σ = 204699040. Its totient is φ = 199581408.

The previous prime is 202140199. The next prime is 202140233. The reversal of 202140223 is 322041202.

202140223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202140223 - 2¹⁷ = 202009151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202140197 and 202140206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202140233) 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, 1279290 + ... + 1279447.

It is an arithmetic number, because the mean of its divisors is an integer number (51174760).

Almost surely, 2^202140223 is an apocalyptic number.

202140223 is a deficient number, since it is larger than the sum of its proper divisors (2558817).

202140223 is an equidigital number, since it uses as much as digits as its factorization.

202140223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558816.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 202140223 is about 14217.6025756806. The cubic root of 202140223 is about 586.8821673366.

Adding to 202140223 its reverse (322041202), we get a palindrome (524181425).

The spelling of 202140223 in words is "two hundred two million, one hundred forty thousand, two hundred twenty-three".