1123022303 has 16 divisors (see below), whose sum is σ = 1316968800. Its totient is φ = 948205440.

The previous prime is 1123022297. The next prime is 1123022339. The reversal of 1123022303 is 3032203211.

It is not a de Polignac number, because 1123022303 - 2¹⁰ = 1123021279 is a prime.

It is a super-2 number, since 2×1123022303² = 2522358186070847618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123022393) 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, 71228 + ... + 85553.

It is an arithmetic number, because the mean of its divisors is an integer number (82310550).

Almost surely, 2^1123022303 is an apocalyptic number.

1123022303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1123022303 is a deficient number, since it is larger than the sum of its proper divisors (193946497).

1123022303 is a wasteful number, since it uses less digits than its factorization.

1123022303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156842.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1123022303 is about 33511.5249280005. The cubic root of 1123022303 is about 1039.4321058220.

Adding to 1123022303 its reverse (3032203211), we get a palindrome (4155225514).

It can be divided in two parts, 11230 and 22303, that added together give a palindrome (33533).

The spelling of 1123022303 in words is "one billion, one hundred twenty-three million, twenty-two thousand, three hundred three".