1223063205 has 64 divisors (see below), whose sum is σ = 2416662528. Its totient is φ = 514356480.

The previous prime is 1223063201. The next prime is 1223063207. The reversal of 1223063205 is 5023603221.

It is not a de Polignac number, because 1223063205 - 2² = 1223063201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223063201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 450462 + ... + 453168.

It is an arithmetic number, because the mean of its divisors is an integer number (37760352).

Almost surely, 2^1223063205 is an apocalyptic number.

1223063205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223063205 is a deficient number, since it is larger than the sum of its proper divisors (1193599323).

1223063205 is a wasteful number, since it uses less digits than its factorization.

1223063205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1223063205 is about 34972.3205549760. The cubic root of 1223063205 is about 1069.4232793328.

Adding to 1223063205 its reverse (5023603221), we get a palindrome (6246666426).

The spelling of 1223063205 in words is "one billion, two hundred twenty-three million, sixty-three thousand, two hundred five".