12355433047 has 2 divisors, whose sum is σ = 12355433048. Its totient is φ = 12355433046.

The previous prime is 12355433003. The next prime is 12355433053. The reversal of 12355433047 is 74033455321.

12355433047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12355433047 - 2³¹ = 10207949399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12355432997 and 12355433015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12355433647) 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, 6177716523 + 6177716524.

It is an arithmetic number, because the mean of its divisors is an integer number (6177716524).

Almost surely, 2^12355433047 is an apocalyptic number.

12355433047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12355433047 is an equidigital number, since it uses as much as digits as its factorization.

12355433047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 12355433047 its reverse (74033455321), we get a palindrome (86388888368).

The spelling of 12355433047 in words is "twelve billion, three hundred fifty-five million, four hundred thirty-three thousand, forty-seven".