12623435893 has 2 divisors, whose sum is σ = 12623435894. Its totient is φ = 12623435892.

The previous prime is 12623435873. The next prime is 12623435917. The reversal of 12623435893 is 39853432621.

12623435893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10668204369 + 1955231524 = 103287^2 + 44218^2 .

It is a cyclic number.

It is not a de Polignac number, because 12623435893 - 2⁹ = 12623435381 is a prime.

It is a super-2 number, since 2×12623435893² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12623435873) 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, 6311717946 + 6311717947.

It is an arithmetic number, because the mean of its divisors is an integer number (6311717947).

Almost surely, 2^12623435893 is an apocalyptic number.

It is an amenable number.

12623435893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12623435893 is an equidigital number, since it uses as much as digits as its factorization.

12623435893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 46.

The spelling of 12623435893 in words is "twelve billion, six hundred twenty-three million, four hundred thirty-five thousand, eight hundred ninety-three".