2311223012 has 24 divisors (see below), whose sum is σ = 4623769920. Its totient is φ = 990240480.

The previous prime is 2311223009. The next prime is 2311223051. The reversal of 2311223012 is 2103221132.

It is a super-2 number, since 2×2311223012² = 10683503622396704288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109562 + ... + 128942.

It is an arithmetic number, because the mean of its divisors is an integer number (192657080).

Almost surely, 2^2311223012 is an apocalyptic number.

It is an amenable number.

2311223012 is an abundant number, since it is smaller than the sum of its proper divisors (2312546908).

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

2311223012 is a wasteful number, since it uses less digits than its factorization.

2311223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23651 (or 23649 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2311223012 is about 48075.1808316932. The cubic root of 2311223012 is about 1322.1496600006.

Adding to 2311223012 its reverse (2103221132), we get a palindrome (4414444144).

The spelling of 2311223012 in words is "two billion, three hundred eleven million, two hundred twenty-three thousand, twelve".