12344556853 has 2 divisors, whose sum is σ = 12344556854. Its totient is φ = 12344556852.

The previous prime is 12344556743. The next prime is 12344556857. The reversal of 12344556853 is 35865544321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8153548209 + 4191008644 = 90297^2 + 64738^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12344556853 is a prime.

It is a super-3 number, since 3×12344556853³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12344556857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172278426 + 6172278427.

It is an arithmetic number, because the mean of its divisors is an integer number (6172278427).

Almost surely, 2^12344556853 is an apocalyptic number.

It is an amenable number.

12344556853 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344556853 is an equidigital number, since it uses as much as digits as its factorization.

12344556853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728000, while the sum is 46.

The spelling of 12344556853 in words is "twelve billion, three hundred forty-four million, five hundred fifty-six thousand, eight hundred fifty-three".