12203443 has 8 divisors (see below), whose sum is σ = 14271488. Its totient is φ = 10216584.

The previous prime is 12203437. The next prime is 12203449. The reversal of 12203443 is 34430221.

It is an interprime number because it is at equal distance from previous prime (12203437) and next prime (12203449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12203443 - 2¹³ = 12195251 is a prime.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 12203443.

It is not an unprimeable number, because it can be changed into a prime (12203449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19971 + ... + 20572.

It is an arithmetic number, because the mean of its divisors is an integer number (1783936).

Almost surely, 2^12203443 is an apocalyptic number.

12203443 is a deficient number, since it is larger than the sum of its proper divisors (2068045).

12203443 is an equidigital number, since it uses as much as digits as its factorization.

12203443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40593.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12203443 is about 3493.3426685626. The cubic root of 12203443 is about 230.2294056417.

Adding to 12203443 its reverse (34430221), we get a palindrome (46633664).

The spelling of 12203443 in words is "twelve million, two hundred three thousand, four hundred forty-three".