1230305053 has 2 divisors, whose sum is σ = 1230305054. Its totient is φ = 1230305052.

The previous prime is 1230305033. The next prime is 1230305057. The reversal of 1230305053 is 3505030321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667808964 + 562496089 = 25842^2 + 23717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230305053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230305057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615152526 + 615152527.

It is an arithmetic number, because the mean of its divisors is an integer number (615152527).

Almost surely, 2^1230305053 is an apocalyptic number.

It is an amenable number.

1230305053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230305053 is an equidigital number, since it uses as much as digits as its factorization.

1230305053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 1230305053 is about 35075.7045973420. The cubic root of 1230305053 is about 1071.5298386222.

Adding to 1230305053 its reverse (3505030321), we get a palindrome (4735335374).

The spelling of 1230305053 in words is "one billion, two hundred thirty million, three hundred five thousand, fifty-three".