12323761340 has 48 divisors (see below), whose sum is σ = 28303932384. Its totient is φ = 4470048000.

The previous prime is 12323761321. The next prime is 12323761433. The reversal of 12323761340 is 4316732321.

It is a junction number, because it is equal to n+sod(n) for n = 12323761297 and 12323761306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16790 + ... + 157890.

It is an arithmetic number, because the mean of its divisors is an integer number (589665258).

Almost surely, 2^12323761340 is an apocalyptic number.

12323761340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12323761340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14151966192).

12323761340 is an abundant number, since it is smaller than the sum of its proper divisors (15980171044).

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

12323761340 is a wasteful number, since it uses less digits than its factorization.

12323761340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141518 (or 141516 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 12323761340 in words is "twelve billion, three hundred twenty-three million, seven hundred sixty-one thousand, three hundred forty".