1123002312 has 16 divisors (see below), whose sum is σ = 2807505840. Its totient is φ = 374334096.

The previous prime is 1123002299. The next prime is 1123002323. The reversal of 1123002312 is 2132003211.

It is a super-2 number, since 2×1123002312² = 2522268385514690688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123002291 and 1123002300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23395858 + ... + 23395905.

It is an arithmetic number, because the mean of its divisors is an integer number (175469115).

Almost surely, 2^1123002312 is an apocalyptic number.

1123002312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123002312 is an abundant number, since it is smaller than the sum of its proper divisors (1684503528).

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

1123002312 is a wasteful number, since it uses less digits than its factorization.

1123002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46791772 (or 46791768 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1123002312 is about 33511.2266561521. The cubic root of 1123002312 is about 1039.4259381171.

Adding to 1123002312 its reverse (2132003211), we get a palindrome (3255005523).

The spelling of 1123002312 in words is "one billion, one hundred twenty-three million, two thousand, three hundred twelve".