202120230223 has 2 divisors, whose sum is σ = 202120230224. Its totient is φ = 202120230222.

The previous prime is 202120230203. The next prime is 202120230259. The reversal of 202120230223 is 322032021202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202120230223 - 2²⁹ = 201583359311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202120230223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202120230203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060115111 + 101060115112.

It is an arithmetic number, because the mean of its divisors is an integer number (101060115112).

Almost surely, 2^202120230223 is an apocalyptic number.

202120230223 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120230223 is an equidigital number, since it uses as much as digits as its factorization.

202120230223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 202120230223 its reverse (322032021202), we get a palindrome (524152251425).

The spelling of 202120230223 in words is "two hundred two billion, one hundred twenty million, two hundred thirty thousand, two hundred twenty-three".