10240013243 has 2 divisors, whose sum is σ = 10240013244. Its totient is φ = 10240013242.

The previous prime is 10240013237. The next prime is 10240013263. The reversal of 10240013243 is 34231004201.

It is an a-pointer prime, because the next prime (10240013263) can be obtained adding 10240013243 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10240013243 - 2⁴ = 10240013227 is a prime.

It is not a weakly prime, because it can be changed into another prime (10240013233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5120006621 + 5120006622.

It is an arithmetic number, because the mean of its divisors is an integer number (5120006622).

Almost surely, 2^10240013243 is an apocalyptic number.

10240013243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10240013243 is an equidigital number, since it uses as much as digits as its factorization.

10240013243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10240013243 its reverse (34231004201), we get a palindrome (44471017444).

The spelling of 10240013243 in words is "ten billion, two hundred forty million, thirteen thousand, two hundred forty-three".