1230323533 has 2 divisors, whose sum is σ = 1230323534. Its totient is φ = 1230323532.

The previous prime is 1230323513. The next prime is 1230323543. The reversal of 1230323533 is 3353230321.

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., 1217521449 + 12802084 = 34893^2 + 3578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230323533 - 2⁹ = 1230323021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230323498 and 1230323507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230323513) 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, 615161766 + 615161767.

It is an arithmetic number, because the mean of its divisors is an integer number (615161767).

Almost surely, 2^1230323533 is an apocalyptic number.

It is an amenable number.

1230323533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230323533 is an equidigital number, since it uses as much as digits as its factorization.

1230323533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 25.

The square root of 1230323533 is about 35075.9680265563. The cubic root of 1230323533 is about 1071.5352036256.

Adding to 1230323533 its reverse (3353230321), we get a palindrome (4583553854).

The spelling of 1230323533 in words is "one billion, two hundred thirty million, three hundred twenty-three thousand, five hundred thirty-three".