11123427 has 8 divisors (see below), whose sum is σ = 16950016. Its totient is φ = 6356232.

The previous prime is 11123393. The next prime is 11123471. The reversal of 11123427 is 72432111.

11123427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11123427 - 2⁸ = 11123171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 529687 = 11123427 / (1 + 1 + 1 + 2 + 3 + 4 + 2 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123477) 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, 264823 + ... + 264864.

It is an arithmetic number, because the mean of its divisors is an integer number (2118752).

Almost surely, 2^11123427 is an apocalyptic number.

11123427 is a deficient number, since it is larger than the sum of its proper divisors (5826589).

11123427 is an equidigital number, since it uses as much as digits as its factorization.

11123427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529697.

The product of its digits is 336, while the sum is 21.

The square root of 11123427 is about 3335.1802050264. The cubic root of 11123427 is about 223.2267328690.

Adding to 11123427 its reverse (72432111), we get a palindrome (83555538).

The spelling of 11123427 in words is "eleven million, one hundred twenty-three thousand, four hundred twenty-seven".