204300123473 has 2 divisors, whose sum is σ = 204300123474. Its totient is φ = 204300123472.

The previous prime is 204300123427. The next prime is 204300123487. The reversal of 204300123473 is 374321003402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113052630289 + 91247493184 = 336233^2 + 302072^2 .

It is a cyclic number.

It is not a de Polignac number, because 204300123473 - 2²⁴ = 204283346257 is a prime.

It is not a weakly prime, because it can be changed into another prime (204300123673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102150061736 + 102150061737.

It is an arithmetic number, because the mean of its divisors is an integer number (102150061737).

Almost surely, 2^204300123473 is an apocalyptic number.

It is an amenable number.

204300123473 is a deficient number, since it is larger than the sum of its proper divisors (1).

204300123473 is an equidigital number, since it uses as much as digits as its factorization.

204300123473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 29.

Adding to 204300123473 its reverse (374321003402), we get a palindrome (578621126875).

The spelling of 204300123473 in words is "two hundred four billion, three hundred million, one hundred twenty-three thousand, four hundred seventy-three".