1223550045305 has 16 divisors (see below), whose sum is σ = 1678169458560. Its totient is φ = 838926761472.

The previous prime is 1223550045293. The next prime is 1223550045329. The reversal of 1223550045305 is 5035400553221.

It is a cyclic number.

It is not a de Polignac number, because 1223550045305 - 2²⁰ = 1223548996729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1267175 + ... + 2013164.

It is an arithmetic number, because the mean of its divisors is an integer number (104885591160).

Almost surely, 2^{1223550045305} is an apocalyptic number.

It is an amenable number.

1223550045305 is a deficient number, since it is larger than the sum of its proper divisors (454619413255).

1223550045305 is a wasteful number, since it uses less digits than its factorization.

1223550045305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291008.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 1223550045305 its reverse (5035400553221), we get a palindrome (6258950598526).

The spelling of 1223550045305 in words is "one trillion, two hundred twenty-three billion, five hundred fifty million, forty-five thousand, three hundred five".