304523545273 has 2 divisors, whose sum is σ = 304523545274. Its totient is φ = 304523545272.

The previous prime is 304523545159. The next prime is 304523545327. The reversal of 304523545273 is 372545325403.

Together with next prime (304523545327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215521563049 + 89001982224 = 464243^2 + 298332^2 .

It is a cyclic number.

It is not a de Polignac number, because 304523545273 - 2¹³ = 304523537081 is a prime.

It is not a weakly prime, because it can be changed into another prime (304523545373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152261772636 + 152261772637.

It is an arithmetic number, because the mean of its divisors is an integer number (152261772637).

Almost surely, 2^304523545273 is an apocalyptic number.

It is an amenable number.

304523545273 is a deficient number, since it is larger than the sum of its proper divisors (1).

304523545273 is an equidigital number, since it uses as much as digits as its factorization.

304523545273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 43.

The spelling of 304523545273 in words is "three hundred four billion, five hundred twenty-three million, five hundred forty-five thousand, two hundred seventy-three".