12203023311 has 24 divisors (see below), whose sum is σ = 17761242096. Its totient is φ = 8073377280.

The previous prime is 12203023307. The next prime is 12203023411. The reversal of 12203023311 is 11332030221.

12203023311 is a `hidden beast` number, since 12 + 20 + 302 + 331 + 1 = 666.

It is not a de Polignac number, because 12203023311 - 2² = 12203023307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203023411) 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 23 ways as a sum of consecutive naturals, for example, 869631 + ... + 883551.

It is an arithmetic number, because the mean of its divisors is an integer number (740051754).

Almost surely, 2^12203023311 is an apocalyptic number.

12203023311 is a deficient number, since it is larger than the sum of its proper divisors (5558218785).

12203023311 is a wasteful number, since it uses less digits than its factorization.

12203023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14663 (or 14660 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12203023311 its reverse (11332030221), we get a palindrome (23535053532).

The spelling of 12203023311 in words is "twelve billion, two hundred three million, twenty-three thousand, three hundred eleven".