12323504000 has 128 divisors (see below), whose sum is σ = 32442340320. Its totient is φ = 4639334400.

The previous prime is 12323503963. The next prime is 12323504041. The reversal of 12323504000 is 40532321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 249347 + ... + 294653.

Almost surely, 2^12323504000 is an apocalyptic number.

12323504000 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 12323504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16221170160).

12323504000 is an abundant number, since it is smaller than the sum of its proper divisors (20118836320).

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

12323504000 is an equidigital number, since it uses as much as digits as its factorization.

12323504000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45353 (or 45331 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The spelling of 12323504000 in words is "twelve billion, three hundred twenty-three million, five hundred four thousand".