1243300063 has 2 divisors, whose sum is σ = 1243300064. Its totient is φ = 1243300062.

The previous prime is 1243299997. The next prime is 1243300073. The reversal of 1243300063 is 3600033421.

It is a strong prime.

It is an emirp because it is prime and its reverse (3600033421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1243300063 - 2¹⁷ = 1243168991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1243300073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621650031 + 621650032.

It is an arithmetic number, because the mean of its divisors is an integer number (621650032).

Almost surely, 2^1243300063 is an apocalyptic number.

1243300063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243300063 is an equidigital number, since it uses as much as digits as its factorization.

1243300063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1243300063 is about 35260.4603344880. The cubic root of 1243300063 is about 1075.2892859095.

Adding to 1243300063 its reverse (3600033421), we get a palindrome (4843333484).

The spelling of 1243300063 in words is "one billion, two hundred forty-three million, three hundred thousand, sixty-three".