10001323023220 has 24 divisors (see below), whose sum is σ = 21002838683904. Its totient is φ = 4000517716896.

The previous prime is 10001323023217. The next prime is 10001323023227. The reversal of 10001323023220 is 2232032310001.

10001323023220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001323023227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11425249 + ... + 12269431.

It is an arithmetic number, because the mean of its divisors is an integer number (875118278496).

Almost surely, 2^{10001323023220} is an apocalyptic number.

10001323023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001323023220 is an abundant number, since it is smaller than the sum of its proper divisors (11001515660684).

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

10001323023220 is a wasteful number, since it uses less digits than its factorization.

10001323023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436559 (or 1436557 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10001323023220 its reverse (2232032310001), we get a palindrome (12233355333221).

The spelling of 10001323023220 in words is "ten trillion, one billion, three hundred twenty-three million, twenty-three thousand, two hundred twenty".