204402111223 has 2 divisors, whose sum is σ = 204402111224. Its totient is φ = 204402111222.

The previous prime is 204402111209. The next prime is 204402111281. The reversal of 204402111223 is 322111204402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204402111223 - 2²⁹ = 203865240311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204402111194 and 204402111203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204402112223) 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, 102201055611 + 102201055612.

It is an arithmetic number, because the mean of its divisors is an integer number (102201055612).

Almost surely, 2^204402111223 is an apocalyptic number.

204402111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

204402111223 is an equidigital number, since it uses as much as digits as its factorization.

204402111223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 204402111223 its reverse (322111204402), we get a palindrome (526513315625).

The spelling of 204402111223 in words is "two hundred four billion, four hundred two million, one hundred eleven thousand, two hundred twenty-three".