12323204340 has 48 divisors (see below), whose sum is σ = 34524950208. Its totient is φ = 3284285184.

The previous prime is 12323204297. The next prime is 12323204353. The reversal of 12323204340 is 4340232321.

It is a super-2 number, since 2×12323204340² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12323204340.

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, 46599 + ... + 163761.

It is an arithmetic number, because the mean of its divisors is an integer number (719269796).

Almost surely, 2^12323204340 is an apocalyptic number.

12323204340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323204340 is an abundant number, since it is smaller than the sum of its proper divisors (22201745868).

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

12323204340 is a wasteful number, since it uses less digits than its factorization.

12323204340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118928 (or 118926 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12323204340 its reverse (4340232321), we get a palindrome (16663436661).

The spelling of 12323204340 in words is "twelve billion, three hundred twenty-three million, two hundred four thousand, three hundred forty".