1223552534047 has 4 divisors (see below), whose sum is σ = 1224938211640. Its totient is φ = 1222166856456.

The previous prime is 1223552533993. The next prime is 1223552534051. The reversal of 1223552534047 is 7404352553221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223552534047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223552533994 and 1223552534012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223552574047) 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 3 ways as a sum of consecutive naturals, for example, 692837472 + ... + 692839237.

It is an arithmetic number, because the mean of its divisors is an integer number (306234552910).

Almost surely, 2^{1223552534047} is an apocalyptic number.

1223552534047 is a deficient number, since it is larger than the sum of its proper divisors (1385677593).

1223552534047 is an equidigital number, since it uses as much as digits as its factorization.

1223552534047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385677592.

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 1223552534047 in words is "one trillion, two hundred twenty-three billion, five hundred fifty-two million, five hundred thirty-four thousand, forty-seven".