12343123312 has 40 divisors (see below), whose sum is σ = 25764694704. Its totient is φ = 5694549504.

The previous prime is 12343123301. The next prime is 12343123321. The reversal of 12343123312 is 21332134321.

It is a super-3 number, since 3×12343123312³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

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, 580908 + ... + 601780.

Almost surely, 2^12343123312 is an apocalyptic number.

It is an amenable number.

12343123312 is an abundant number, since it is smaller than the sum of its proper divisors (13421571392).

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

12343123312 is a wasteful number, since it uses less digits than its factorization.

12343123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23737 (or 23731 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 12343123312 its reverse (21332134321), we get a palindrome (33675257633).

The spelling of 12343123312 in words is "twelve billion, three hundred forty-three million, one hundred twenty-three thousand, three hundred twelve".