203122133130223 has 4 divisors (see below), whose sum is σ = 207443880643680. Its totient is φ = 198800385616768.

The previous prime is 203122133130209. The next prime is 203122133130229. The reversal of 203122133130223 is 322031331221302.

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 203122133130223 - 2⁹ = 203122133129711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203122133130191 and 203122133130200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122133130229) 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, 2160873756658 + ... + 2160873756751.

It is an arithmetic number, because the mean of its divisors is an integer number (51860970160920).

Almost surely, 2^{203122133130223} is an apocalyptic number.

203122133130223 is a deficient number, since it is larger than the sum of its proper divisors (4321747513457).

203122133130223 is an equidigital number, since it uses as much as digits as its factorization.

203122133130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321747513456.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 203122133130223 its reverse (322031331221302), we get a palindrome (525153464351525).

The spelling of 203122133130223 in words is "two hundred three trillion, one hundred twenty-two billion, one hundred thirty-three million, one hundred thirty thousand, two hundred twenty-three".