12200423 has 4 divisors (see below), whose sum is σ = 12293688. Its totient is φ = 12107160.

The previous prime is 12200399. The next prime is 12200431. The reversal of 12200423 is 32400221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12200423 - 2⁶ = 12200359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200398 and 12200407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46436 + ... + 46697.

It is an arithmetic number, because the mean of its divisors is an integer number (3073422).

Almost surely, 2^12200423 is an apocalyptic number.

12200423 is a deficient number, since it is larger than the sum of its proper divisors (93265).

12200423 is an equidigital number, since it uses as much as digits as its factorization.

12200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93264.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12200423 is about 3492.9103910636. The cubic root of 12200423 is about 230.2104123634.

Adding to 12200423 its reverse (32400221), we get a palindrome (44600644).

The spelling of 12200423 in words is "twelve million, two hundred thousand, four hundred twenty-three".