12323513378 has 16 divisors (see below), whose sum is σ = 20332412640. Its totient is φ = 5601595780.

The previous prime is 12323513369. The next prime is 12323513417. The reversal of 12323513378 is 87331532321.

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, 2312048 + ... + 2317371.

It is an arithmetic number, because the mean of its divisors is an integer number (1270775790).

Almost surely, 2^12323513378 is an apocalyptic number.

12323513378 is a deficient number, since it is larger than the sum of its proper divisors (8008899262).

12323513378 is an equidigital number, since it uses as much as digits as its factorization.

12323513378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629454 (or 4629432 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The spelling of 12323513378 in words is "twelve billion, three hundred twenty-three million, five hundred thirteen thousand, three hundred seventy-eight".