203222023231233 has 4 divisors (see below), whose sum is σ = 270962697641648. Its totient is φ = 135481348820820.

The previous prime is 203222023231187. The next prime is 203222023231243. The reversal of 203222023231233 is 332132320222302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 203222023231233 - 2¹⁰ = 203222023230209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203222023231233.

It is not an unprimeable number, because it can be changed into a prime (203222023231243) 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, 33870337205203 + ... + 33870337205208.

It is an arithmetic number, because the mean of its divisors is an integer number (67740674410412).

Almost surely, 2^{203222023231233} is an apocalyptic number.

It is an amenable number.

203222023231233 is a deficient number, since it is larger than the sum of its proper divisors (67740674410415).

203222023231233 is an equidigital number, since it uses as much as digits as its factorization.

203222023231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67740674410414.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 203222023231233 its reverse (332132320222302), we get a palindrome (535354343453535).

The spelling of 203222023231233 in words is "two hundred three trillion, two hundred twenty-two billion, twenty-three million, two hundred thirty-one thousand, two hundred thirty-three".