12203423343 has 6 divisors (see below), whose sum is σ = 17627167064. Its totient is φ = 8135615556.

The previous prime is 12203423299. The next prime is 12203423357. The reversal of 12203423343 is 34332430221.

12203423343 is a `hidden beast` number, since 1 + 2 + 203 + 423 + 34 + 3 = 666.

It is not a de Polignac number, because 12203423343 - 2³² = 7908456047 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 (12203423383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 677967955 + ... + 677967972.

Almost surely, 2^12203423343 is an apocalyptic number.

12203423343 is a deficient number, since it is larger than the sum of its proper divisors (5423743721).

12203423343 is a wasteful number, since it uses less digits than its factorization.

12203423343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355935933 (or 1355935930 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 12203423343 its reverse (34332430221), we get a palindrome (46535853564).

The spelling of 12203423343 in words is "twelve billion, two hundred three million, four hundred twenty-three thousand, three hundred forty-three".