204003123133 has 2 divisors, whose sum is σ = 204003123134. Its totient is φ = 204003123132.

The previous prime is 204003123131. The next prime is 204003123251. The reversal of 204003123133 is 331321300402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176163199524 + 27839923609 = 419718^2 + 166853^2 .

It is a cyclic number.

It is not a de Polignac number, because 204003123133 - 2¹ = 204003123131 is a prime.

Together with 204003123131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204003123131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102001561566 + 102001561567.

It is an arithmetic number, because the mean of its divisors is an integer number (102001561567).

Almost surely, 2^204003123133 is an apocalyptic number.

It is an amenable number.

204003123133 is a deficient number, since it is larger than the sum of its proper divisors (1).

204003123133 is an equidigital number, since it uses as much as digits as its factorization.

204003123133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 204003123133 its reverse (331321300402), we get a palindrome (535324423535).

The spelling of 204003123133 in words is "two hundred four billion, three million, one hundred twenty-three thousand, one hundred thirty-three".