1230304553 has 2 divisors, whose sum is σ = 1230304554. Its totient is φ = 1230304552.

The previous prime is 1230304513. The next prime is 1230304573. The reversal of 1230304553 is 3554030321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 898081024 + 332223529 = 29968^2 + 18227^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230304553 - 2¹² = 1230300457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230304513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615152276 + 615152277.

It is an arithmetic number, because the mean of its divisors is an integer number (615152277).

Almost surely, 2^1230304553 is an apocalyptic number.

It is an amenable number.

1230304553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230304553 is an equidigital number, since it uses as much as digits as its factorization.

1230304553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1230304553 is about 35075.6974699007. The cubic root of 1230304553 is about 1071.5296934644.

Adding to 1230304553 its reverse (3554030321), we get a palindrome (4784334874).

The spelling of 1230304553 in words is "one billion, two hundred thirty million, three hundred four thousand, five hundred fifty-three".