203223003121213 has 4 divisors (see below), whose sum is σ = 203259932620288. Its totient is φ = 203186073622140.

The previous prime is 203223003121067. The next prime is 203223003121241. The reversal of 203223003121213 is 312121300322302.

203223003121213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 203223003121213 - 2⁹ = 203223003120701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203223003121283) 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, 18464741283 + ... + 18464752288.

It is an arithmetic number, because the mean of its divisors is an integer number (50814983155072).

Almost surely, 2^{203223003121213} is an apocalyptic number.

It is an amenable number.

203223003121213 is a deficient number, since it is larger than the sum of its proper divisors (36929499075).

203223003121213 is an equidigital number, since it uses as much as digits as its factorization.

203223003121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36929499074.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203223003121213 its reverse (312121300322302), we get a palindrome (515344303443515).

The spelling of 203223003121213 in words is "two hundred three trillion, two hundred twenty-three billion, three million, one hundred twenty-one thousand, two hundred thirteen".