10001323000 has 64 divisors (see below), whose sum is σ = 23635048320. Its totient is φ = 3960880000.

The previous prime is 10001322997. The next prime is 10001323009. The reversal of 10001323000 is 32310001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001323009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51489 + ... + 150511.

It is an arithmetic number, because the mean of its divisors is an integer number (369297630).

Almost surely, 2^10001323000 is an apocalyptic number.

10001323000 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 10001323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11817524160).

10001323000 is an abundant number, since it is smaller than the sum of its proper divisors (13633725320).

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

10001323000 is a wasteful number, since it uses less digits than its factorization.

10001323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99145 (or 99131 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 10001323000 its reverse (32310001), we get a palindrome (10033633001).

The spelling of 10001323000 in words is "ten billion, one million, three hundred twenty-three thousand".