204023111203 has 2 divisors, whose sum is σ = 204023111204. Its totient is φ = 204023111202.

The previous prime is 204023111183. The next prime is 204023111209. The reversal of 204023111203 is 302111320402.

It is a happy number.

204023111203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204023111203 - 2¹⁷ = 204022980131 is a prime.

It is not a weakly prime, because it can be changed into another prime (204023111209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102011555601 + 102011555602.

It is an arithmetic number, because the mean of its divisors is an integer number (102011555602).

Almost surely, 2^204023111203 is an apocalyptic number.

204023111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

204023111203 is an equidigital number, since it uses as much as digits as its factorization.

204023111203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 204023111203 its reverse (302111320402), we get a palindrome (506134431605).

The spelling of 204023111203 in words is "two hundred four billion, twenty-three million, one hundred eleven thousand, two hundred three".