1230323513 has 2 divisors, whose sum is σ = 1230323514. Its totient is φ = 1230323512.

The previous prime is 1230323461. The next prime is 1230323533. The reversal of 1230323513 is 3153230321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1094087929 + 136235584 = 33077^2 + 11672^2 .

It is an emirp because it is prime and its reverse (3153230321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230323513 - 2¹⁴ = 1230307129 is a prime.

It is a super-2 number, since 2×1230323513² = 3027391893281322338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1230323533) 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, 615161756 + 615161757.

It is an arithmetic number, because the mean of its divisors is an integer number (615161757).

Almost surely, 2^1230323513 is an apocalyptic number.

It is an amenable number.

1230323513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230323513 is an equidigital number, since it uses as much as digits as its factorization.

1230323513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1230323513 is about 35075.9677414608. The cubic root of 1230323513 is about 1071.5351978193.

Adding to 1230323513 its reverse (3153230321), we get a palindrome (4383553834).

The spelling of 1230323513 in words is "one billion, two hundred thirty million, three hundred twenty-three thousand, five hundred thirteen".