23131023322312 has 16 divisors (see below), whose sum is σ = 43381162541340. Its totient is φ = 11562713311296.

The previous prime is 23131023322307. The next prime is 23131023322333. The reversal of 23131023322312 is 21322332013132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18154706375556 + 4976316946756 = 4260834^2 + 2230766^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349758603 + ... + 349824730.

Almost surely, 2^{23131023322312} is an apocalyptic number.

It is an amenable number.

23131023322312 is a deficient number, since it is larger than the sum of its proper divisors (20250139219028).

23131023322312 is a wasteful number, since it uses less digits than its factorization.

23131023322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699587472 (or 699587468 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23131023322312 its reverse (21322332013132), we get a palindrome (44453355335444).

The spelling of 23131023322312 in words is "twenty-three trillion, one hundred thirty-one billion, twenty-three million, three hundred twenty-two thousand, three hundred twelve".