1243433102013 has 24 divisors (see below), whose sum is σ = 1818378001440. Its totient is φ = 818666765280.

The previous prime is 1243433102003. The next prime is 1243433102059. The reversal of 1243433102013 is 3102013343421.

It is a happy number.

1243433102013 is a `hidden beast` number, since 1 + 2 + 4 + 343 + 310 + 2 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 1243433102013 - 2¹⁰ = 1243433100989 is a prime.

It is a super-2 number, since 2×1243433102013² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243433102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1735303 + ... + 2344811.

It is an arithmetic number, because the mean of its divisors is an integer number (75765750060).

Almost surely, 2^{1243433102013} is an apocalyptic number.

It is an amenable number.

1243433102013 is a deficient number, since it is larger than the sum of its proper divisors (574944899427).

1243433102013 is a wasteful number, since it uses less digits than its factorization.

1243433102013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612329 (or 612326 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1243433102013 its reverse (3102013343421), we get a palindrome (4345446445434).

The spelling of 1243433102013 in words is "one trillion, two hundred forty-three billion, four hundred thirty-three million, one hundred two thousand, thirteen".