11200423 has 4 divisors (see below), whose sum is σ = 12062008. Its totient is φ = 10338840.

The previous prime is 11200403. The next prime is 11200451. The reversal of 11200423 is 32400211.

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 11200423 - 2⁵ = 11200391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 861571 = 11200423 / (1 + 1 + 2 + 0 + 0 + 4 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200403) 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, 430773 + ... + 430798.

It is an arithmetic number, because the mean of its divisors is an integer number (3015502).

Almost surely, 2^11200423 is an apocalyptic number.

11200423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11200423 is a deficient number, since it is larger than the sum of its proper divisors (861585).

11200423 is an equidigital number, since it uses as much as digits as its factorization.

11200423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861584.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 11200423 is about 3346.7033032523. The cubic root of 11200423 is about 223.7406050798.

Adding to 11200423 its reverse (32400211), we get a palindrome (43600634).

The spelling of 11200423 in words is "eleven million, two hundred thousand, four hundred twenty-three".