223312211310203 has 4 divisors (see below), whose sum is σ = 226371282698088. Its totient is φ = 220253139922320.

The previous prime is 223312211310193. The next prime is 223312211310211. The reversal of 223312211310203 is 302013112213322.

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 223312211310203 - 2³⁴ = 223295031441019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223312211315203) 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, 1529535693833 + ... + 1529535693978.

It is an arithmetic number, because the mean of its divisors is an integer number (56592820674522).

Almost surely, 2^{223312211310203} is an apocalyptic number.

223312211310203 is a deficient number, since it is larger than the sum of its proper divisors (3059071387885).

223312211310203 is an equidigital number, since it uses as much as digits as its factorization.

223312211310203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059071387884.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 223312211310203 its reverse (302013112213322), we get a palindrome (525325323523525).

The spelling of 223312211310203 in words is "two hundred twenty-three trillion, three hundred twelve billion, two hundred eleven million, three hundred ten thousand, two hundred three".