1011223303 has 16 divisors (see below), whose sum is σ = 1062784800. Its totient is φ = 961067520.

The previous prime is 1011223277. The next prime is 1011223349. The reversal of 1011223303 is 3033221101.

It is a cyclic number.

It is not a de Polignac number, because 1011223303 - 2¹⁷ = 1011092231 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 (1011223363) 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 15 ways as a sum of consecutive naturals, for example, 1249563 + ... + 1250371.

It is an arithmetic number, because the mean of its divisors is an integer number (66424050).

Almost surely, 2^1011223303 is an apocalyptic number.

1011223303 is a deficient number, since it is larger than the sum of its proper divisors (51561497).

1011223303 is an equidigital number, since it uses as much as digits as its factorization.

1011223303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1011223303 is about 31799.7374674698. The cubic root of 1011223303 is about 1003.7271917821.

Adding to 1011223303 its reverse (3033221101), we get a palindrome (4044444404).

The spelling of 1011223303 in words is "one billion, eleven million, two hundred twenty-three thousand, three hundred three".