12323301020 has 72 divisors (see below), whose sum is σ = 27878891040. Its totient is φ = 4573864960.

The previous prime is 12323301017. The next prime is 12323301041. The reversal of 12323301020 is 2010332321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12323301020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395366 + ... + 425394.

It is an arithmetic number, because the mean of its divisors is an integer number (387206820).

Almost surely, 2^12323301020 is an apocalyptic number.

12323301020 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 12323301020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13939445520).

12323301020 is an abundant number, since it is smaller than the sum of its proper divisors (15555590020).

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

12323301020 is a wasteful number, since it uses less digits than its factorization.

12323301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30143 (or 30124 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12323301020 its reverse (2010332321), we get a palindrome (14333633341).

The spelling of 12323301020 in words is "twelve billion, three hundred twenty-three million, three hundred one thousand, twenty".