203223103213 has 16 divisors (see below), whose sum is σ = 231745098816. Its totient is φ = 176543942400.

The previous prime is 203223103087. The next prime is 203223103241. The reversal of 203223103213 is 312301322302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203223103213 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 (203223103613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5473570 + ... + 5510572.

It is an arithmetic number, because the mean of its divisors is an integer number (14484068676).

Almost surely, 2^203223103213 is an apocalyptic number.

It is an amenable number.

203223103213 is a deficient number, since it is larger than the sum of its proper divisors (28521995603).

203223103213 is a wasteful number, since it uses less digits than its factorization.

203223103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61884.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203223103213 its reverse (312301322302), we get a palindrome (515524425515).

The spelling of 203223103213 in words is "two hundred three billion, two hundred twenty-three million, one hundred three thousand, two hundred thirteen".