23212112203 has 24 divisors (see below), whose sum is σ = 27512645856. Its totient is φ = 19183236480.

The previous prime is 23212112177. The next prime is 23212112213. The reversal of 23212112203 is 30221121232.

It is not a de Polignac number, because 23212112203 - 2³³ = 14622177611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1857151 + ... + 1869607.

It is an arithmetic number, because the mean of its divisors is an integer number (1146360244).

Almost surely, 2^23212112203 is an apocalyptic number.

23212112203 is a deficient number, since it is larger than the sum of its proper divisors (4300533653).

23212112203 is a wasteful number, since it uses less digits than its factorization.

23212112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12803 (or 12772 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23212112203 its reverse (30221121232), we get a palindrome (53433233435).

The spelling of 23212112203 in words is "twenty-three billion, two hundred twelve million, one hundred twelve thousand, two hundred three".