1230303001273 has 2 divisors, whose sum is σ = 1230303001274. Its totient is φ = 1230303001272.

The previous prime is 1230303001271. The next prime is 1230303001313. The reversal of 1230303001273 is 3721003030321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946441013904 + 283861987369 = 972852^2 + 532787^2 .

It is an emirp because it is prime and its reverse (3721003030321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230303001273 - 2¹ = 1230303001271 is a prime.

Together with 1230303001271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1230303001271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615151500636 + 615151500637.

It is an arithmetic number, because the mean of its divisors is an integer number (615151500637).

Almost surely, 2^{1230303001273} is an apocalyptic number.

It is an amenable number.

1230303001273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230303001273 is an equidigital number, since it uses as much as digits as its factorization.

1230303001273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

Adding to 1230303001273 its reverse (3721003030321), we get a palindrome (4951306031594).

The spelling of 1230303001273 in words is "one trillion, two hundred thirty billion, three hundred three million, one thousand, two hundred seventy-three".