1230305033 has 2 divisors, whose sum is σ = 1230305034. Its totient is φ = 1230305032.

The previous prime is 1230305009. The next prime is 1230305053. The reversal of 1230305033 is 3305030321.

It is an a-pointer prime, because the next prime (1230305053) can be obtained adding 1230305033 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1124462089 + 105842944 = 33533^2 + 10288^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230305033 - 2¹⁶ = 1230239497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230304996 and 1230305014.

It is not a weakly prime, because it can be changed into another prime (1230305053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615152516 + 615152517.

It is an arithmetic number, because the mean of its divisors is an integer number (615152517).

Almost surely, 2^1230305033 is an apocalyptic number.

It is an amenable number.

1230305033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230305033 is an equidigital number, since it uses as much as digits as its factorization.

1230305033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 1230305033 is about 35075.7043122444. The cubic root of 1230305033 is about 1071.5298328159.

Adding to 1230305033 its reverse (3305030321), we get a palindrome (4535335354).

The spelling of 1230305033 in words is "one billion, two hundred thirty million, three hundred five thousand, thirty-three".