203104073 has 2 divisors, whose sum is σ = 203104074. Its totient is φ = 203104072.

The previous prime is 203104043. The next prime is 203104123. The reversal of 203104073 is 370401302.

203104073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183006784 + 20097289 = 13528^2 + 4483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203104073 is a prime.

It is not a weakly prime, because it can be changed into another prime (203104043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101552036 + 101552037.

It is an arithmetic number, because the mean of its divisors is an integer number (101552037).

Almost surely, 2^203104073 is an apocalyptic number.

It is an amenable number.

203104073 is a deficient number, since it is larger than the sum of its proper divisors (1).

203104073 is an equidigital number, since it uses as much as digits as its factorization.

203104073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 203104073 is about 14251.4586271020. The cubic root of 203104073 is about 587.8134840037.

Adding to 203104073 its reverse (370401302), we get a palindrome (573505375).

The spelling of 203104073 in words is "two hundred three million, one hundred four thousand, seventy-three".