203623348273 has 2 divisors, whose sum is σ = 203623348274. Its totient is φ = 203623348272.

The previous prime is 203623348267. The next prime is 203623348303. The reversal of 203623348273 is 372843326302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152206878769 + 51416469504 = 390137^2 + 226752^2 .

It is a cyclic number.

It is not a de Polignac number, because 203623348273 - 2¹⁷ = 203623217201 is a prime.

It is not a weakly prime, because it can be changed into another prime (203623340273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101811674136 + 101811674137.

It is an arithmetic number, because the mean of its divisors is an integer number (101811674137).

Almost surely, 2^203623348273 is an apocalyptic number.

It is an amenable number.

203623348273 is a deficient number, since it is larger than the sum of its proper divisors (1).

203623348273 is an equidigital number, since it uses as much as digits as its factorization.

203623348273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 43.

The spelling of 203623348273 in words is "two hundred three billion, six hundred twenty-three million, three hundred forty-eight thousand, two hundred seventy-three".