203202103120073 has 2 divisors, whose sum is σ = 203202103120074. Its totient is φ = 203202103120072.

The previous prime is 203202103120007. The next prime is 203202103120099. The reversal of 203202103120073 is 370021301202302.

It is a happy number.

203202103120073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (203202103120099) can be obtained adding 203202103120073 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203197384391824 + 4718728249 = 14254732^2 + 68693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203202103120073 is a prime.

It is not a weakly prime, because it can be changed into another prime (203202103120873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101601051560036 + 101601051560037.

It is an arithmetic number, because the mean of its divisors is an integer number (101601051560037).

Almost surely, 2^{203202103120073} is an apocalyptic number.

It is an amenable number.

203202103120073 is a deficient number, since it is larger than the sum of its proper divisors (1).

203202103120073 is an equidigital number, since it uses as much as digits as its factorization.

203202103120073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 203202103120073 its reverse (370021301202302), we get a palindrome (573223404322375).

The spelling of 203202103120073 in words is "two hundred three trillion, two hundred two billion, one hundred three million, one hundred twenty thousand, seventy-three".