1223163 has 24 divisors (see below), whose sum is σ = 1946880. Its totient is φ = 736560.

The previous prime is 1223161. The next prime is 1223177. The reversal of 1223163 is 3613221.

It is not a de Polignac number, because 1223163 - 2¹ = 1223161 is a prime.

It is a super-2 number, since 2×1223163² = 2992255449138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3778 + ... + 4088.

It is an arithmetic number, because the mean of its divisors is an integer number (81120).

2^1223163 is an apocalyptic number.

1223163 is a deficient number, since it is larger than the sum of its proper divisors (723717).

1223163 is a wasteful number, since it uses less digits than its factorization.

1223163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 356 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 1223163 is about 1105.9669976993. The cubic root of 1223163 is about 106.9452364827.

Adding to 1223163 its reverse (3613221), we get a palindrome (4836384).

The spelling of 1223163 in words is "one million, two hundred twenty-three thousand, one hundred sixty-three".