123211203313 has 16 divisors (see below), whose sum is σ = 135594445824. Its totient is φ = 111027429760.

The previous prime is 123211203299. The next prime is 123211203317. The reversal of 123211203313 is 313302112321.

It is a cyclic number.

It is not a de Polignac number, because 123211203313 - 2²⁹ = 122674332401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123211203317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959856 + ... + 1080622.

It is an arithmetic number, because the mean of its divisors is an integer number (8474652864).

Almost surely, 2^123211203313 is an apocalyptic number.

It is an amenable number.

123211203313 is a deficient number, since it is larger than the sum of its proper divisors (12383242511).

123211203313 is a wasteful number, since it uses less digits than its factorization.

123211203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121592.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123211203313 its reverse (313302112321), we get a palindrome (436513315634).

The spelling of 123211203313 in words is "one hundred twenty-three billion, two hundred eleven million, two hundred three thousand, three hundred thirteen".