1123313204 has 12 divisors (see below), whose sum is σ = 2117013444. Its totient is φ = 518452224.

The previous prime is 1123313201. The next prime is 1123313221. The reversal of 1123313204 is 4023133211.

It can be written as a sum of positive squares in 2 ways, for example, as 43533604 + 1079779600 = 6598^2 + 32860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123313201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10801037 + ... + 10801140.

It is an arithmetic number, because the mean of its divisors is an integer number (176417787).

Almost surely, 2^1123313204 is an apocalyptic number.

It is an amenable number.

1123313204 is a deficient number, since it is larger than the sum of its proper divisors (993700240).

1123313204 is a wasteful number, since it uses less digits than its factorization.

1123313204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21602194 (or 21602192 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1123313204 is about 33515.8649597470. The cubic root of 1123313204 is about 1039.5218475050.

Adding to 1123313204 its reverse (4023133211), we get a palindrome (5146446415).

The spelling of 1123313204 in words is "one billion, one hundred twenty-three million, three hundred thirteen thousand, two hundred four".