2100100200323 has 4 divisors (see below), whose sum is σ = 2172517448640. Its totient is φ = 2027682952008.

The previous prime is 2100100200311. The next prime is 2100100200347. The reversal of 2100100200323 is 3230020010012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100100200323 - 2⁶ = 2100100200259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100100200298 and 2100100200307.

It is not an unprimeable number, because it can be changed into a prime (2100100209323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36208624115 + ... + 36208624172.

It is an arithmetic number, because the mean of its divisors is an integer number (543129362160).

Almost surely, 2^{2100100200323} is an apocalyptic number.

2100100200323 is a deficient number, since it is larger than the sum of its proper divisors (72417248317).

2100100200323 is an equidigital number, since it uses as much as digits as its factorization.

2100100200323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72417248316.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 2100100200323 its reverse (3230020010012), we get a palindrome (5330120210335).

The spelling of 2100100200323 in words is "two trillion, one hundred billion, one hundred million, two hundred thousand, three hundred twenty-three".