2123322312 has 32 divisors (see below), whose sum is σ = 5309488800. Its totient is φ = 707616384.

The previous prime is 2123322307. The next prime is 2123322317. The reversal of 2123322312 is 2132233212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2123322307) and next prime (2123322317).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2123322317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159364 + ... + 172172.

It is an arithmetic number, because the mean of its divisors is an integer number (165921525).

Almost surely, 2^2123322312 is an apocalyptic number.

It is an amenable number.

2123322312 is an abundant number, since it is smaller than the sum of its proper divisors (3186166488).

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

2123322312 is a wasteful number, since it uses less digits than its factorization.

2123322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19725 (or 19721 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 2123322312 is about 46079.5216121001. The cubic root of 2123322312 is about 1285.3023683473.

Adding to 2123322312 its reverse (2132233212), we get a palindrome (4255555524).

The spelling of 2123322312 in words is "two billion, one hundred twenty-three million, three hundred twenty-two thousand, three hundred twelve".