1123203202 has 32 divisors (see below), whose sum is σ = 1938473280. Its totient is φ = 482734080.

The previous prime is 1123203197. The next prime is 1123203203. The reversal of 1123203202 is 2023023211.

It is not an unprimeable number, because it can be changed into a prime (1123203203) 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, 238858 + ... + 243514.

It is an arithmetic number, because the mean of its divisors is an integer number (60577290).

Almost surely, 2^1123203202 is an apocalyptic number.

1123203202 is a deficient number, since it is larger than the sum of its proper divisors (815270078).

1123203202 is a wasteful number, since it uses less digits than its factorization.

1123203202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1123203202 is about 33514.2238758411. The cubic root of 1123203202 is about 1039.4879141922.

Adding to 1123203202 its reverse (2023023211), we get a palindrome (3146226413).

Subtracting 1123203202 from its reverse (2023023211), we obtain a square (899820009 = 29997²).

The spelling of 1123203202 in words is "one billion, one hundred twenty-three million, two hundred three thousand, two hundred two".