22123100203 has 4 divisors (see below), whose sum is σ = 22128253000. Its totient is φ = 22117947408.

The previous prime is 22123100149. The next prime is 22123100221. The reversal of 22123100203 is 30200132122.

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 22123100203 - 2¹³ = 22123092011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22123107203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2569953 + ... + 2578546.

It is an arithmetic number, because the mean of its divisors is an integer number (5532063250).

Almost surely, 2^22123100203 is an apocalyptic number.

22123100203 is a deficient number, since it is larger than the sum of its proper divisors (5152797).

22123100203 is an equidigital number, since it uses as much as digits as its factorization.

22123100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152796.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22123100203 its reverse (30200132122), we get a palindrome (52323232325).

The spelling of 22123100203 in words is "twenty-two billion, one hundred twenty-three million, one hundred thousand, two hundred three".