11201423 has 4 divisors (see below), whose sum is σ = 11241288. Its totient is φ = 11161560.

The previous prime is 11201413. The next prime is 11201473. The reversal of 11201423 is 32410211.

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 11201423 - 2²⁰ = 10152847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201398 and 11201407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201413) 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, 19508 + ... + 20073.

It is an arithmetic number, because the mean of its divisors is an integer number (2810322).

Almost surely, 2^11201423 is an apocalyptic number.

11201423 is a deficient number, since it is larger than the sum of its proper divisors (39865).

11201423 is an equidigital number, since it uses as much as digits as its factorization.

11201423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39864.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11201423 is about 3346.8527006727. The cubic root of 11201423 is about 223.7472635767.

Adding to 11201423 its reverse (32410211), we get a palindrome (43611634).

The spelling of 11201423 in words is "eleven million, two hundred one thousand, four hundred twenty-three".