202321123223 has 2 divisors, whose sum is σ = 202321123224. Its totient is φ = 202321123222.

The previous prime is 202321123177. The next prime is 202321123229. The reversal of 202321123223 is 322321123202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202321123223 - 2¹⁸ = 202320861079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202321123229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101160561611 + 101160561612.

It is an arithmetic number, because the mean of its divisors is an integer number (101160561612).

Almost surely, 2^202321123223 is an apocalyptic number.

202321123223 is a deficient number, since it is larger than the sum of its proper divisors (1).

202321123223 is an equidigital number, since it uses as much as digits as its factorization.

202321123223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 202321123223 its reverse (322321123202), we get a palindrome (524642246425).

The spelling of 202321123223 in words is "two hundred two billion, three hundred twenty-one million, one hundred twenty-three thousand, two hundred twenty-three".