204503423053 has 2 divisors, whose sum is σ = 204503423054. Its totient is φ = 204503423052.

The previous prime is 204503423051. The next prime is 204503423063. The reversal of 204503423053 is 350324305402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198753689124 + 5749733929 = 445818^2 + 75827^2 .

It is a cyclic number.

It is not a de Polignac number, because 204503423053 - 2¹ = 204503423051 is a prime.

Together with 204503423051, 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 (204503423051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102251711526 + 102251711527.

It is an arithmetic number, because the mean of its divisors is an integer number (102251711527).

Almost surely, 2^204503423053 is an apocalyptic number.

It is an amenable number.

204503423053 is a deficient number, since it is larger than the sum of its proper divisors (1).

204503423053 is an equidigital number, since it uses as much as digits as its factorization.

204503423053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 204503423053 its reverse (350324305402), we get a palindrome (554827728455).

The spelling of 204503423053 in words is "two hundred four billion, five hundred three million, four hundred twenty-three thousand, fifty-three".