1223303 has 8 divisors (see below), whose sum is σ = 1305072. Its totient is φ = 1142656.

The previous prime is 1223281. The next prime is 1223309. The reversal of 1223303 is 3033221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223303 - 2¹⁰ = 1222279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3701 + ... + 4017.

It is an arithmetic number, because the mean of its divisors is an integer number (163134).

2^1223303 is an apocalyptic number.

1223303 is a deficient number, since it is larger than the sum of its proper divisors (81769).

1223303 is a wasteful number, since it uses less digits than its factorization.

1223303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1223303 is about 1106.0302889162. The cubic root of 1223303 is about 106.9493165500.

Adding to 1223303 its reverse (3033221), we get a palindrome (4256524).

The spelling of 1223303 in words is "one million, two hundred twenty-three thousand, three hundred three".