23123123313212 has 48 divisors (see below), whose sum is σ = 45217020156672. Its totient is φ = 10274433085440.

The previous prime is 23123123313187. The next prime is 23123123313217. The reversal of 23123123313212 is 21231332132132.

It is a super-3 number, since 3×23123123313212³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123123313217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36850463 + ... + 37472694.

It is an arithmetic number, because the mean of its divisors is an integer number (942021253264).

Almost surely, 2^{23123123313212} is an apocalyptic number.

It is an amenable number.

23123123313212 is a deficient number, since it is larger than the sum of its proper divisors (22093896843460).

23123123313212 is a wasteful number, since it uses less digits than its factorization.

23123123313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74323398 (or 74323396 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

Adding to 23123123313212 its reverse (21231332132132), we get a palindrome (44354455445344).

The spelling of 23123123313212 in words is "twenty-three trillion, one hundred twenty-three billion, one hundred twenty-three million, three hundred thirteen thousand, two hundred twelve".