1223054305 has 16 divisors (see below), whose sum is σ = 1602748800. Its totient is φ = 888572160.

The previous prime is 1223054297. The next prime is 1223054309. The reversal of 1223054305 is 5034503221.

It is not a de Polignac number, because 1223054305 - 2³ = 1223054297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223054305.

It is not an unprimeable number, because it can be changed into a prime (1223054309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44476 + ... + 66514.

It is an arithmetic number, because the mean of its divisors is an integer number (100171800).

Almost surely, 2^1223054305 is an apocalyptic number.

It is an amenable number.

1223054305 is a deficient number, since it is larger than the sum of its proper divisors (379694495).

1223054305 is a wasteful number, since it uses less digits than its factorization.

1223054305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23064.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1223054305 is about 34972.1933112580. The cubic root of 1223054305 is about 1069.4206853294.

Adding to 1223054305 its reverse (5034503221), we get a palindrome (6257557526).

The spelling of 1223054305 in words is "one billion, two hundred twenty-three million, fifty-four thousand, three hundred five".