1123031308 has 12 divisors (see below), whose sum is σ = 2246062672. Its totient is φ = 481299120.

The previous prime is 1123031209. The next prime is 1123031323. The reversal of 1123031308 is 8031303211.

1123031308 is an admirable number.

It is a super-2 number, since 2×1123031308² = 2522398637496381728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20054103 + ... + 20054158.

Almost surely, 2^1123031308 is an apocalyptic number.

It is an amenable number.

1123031308 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123031308 is a wasteful number, since it uses less digits than its factorization.

1123031308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40108272 (or 40108270 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1123031308 is about 33511.6592844938. The cubic root of 1123031308 is about 1039.4348840575.

Adding to 1123031308 its reverse (8031303211), we get a palindrome (9154334519).

The spelling of 1123031308 in words is "one billion, one hundred twenty-three million, thirty-one thousand, three hundred eight".