11135423 has 4 divisors (see below), whose sum is σ = 11992008. Its totient is φ = 10278840.

The previous prime is 11135419. The next prime is 11135437. The reversal of 11135423 is 32453111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32453111 = 593 ⋅54727.

It is not a de Polignac number, because 11135423 - 2² = 11135419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11135395 and 11135404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11135023) 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, 428273 + ... + 428298.

It is an arithmetic number, because the mean of its divisors is an integer number (2998002).

Almost surely, 2^11135423 is an apocalyptic number.

11135423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11135423 is a deficient number, since it is larger than the sum of its proper divisors (856585).

11135423 is an equidigital number, since it uses as much as digits as its factorization.

11135423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856584.

The product of its digits is 360, while the sum is 20.

The square root of 11135423 is about 3336.9781239918. The cubic root of 11135423 is about 223.3069499290.

Adding to 11135423 its reverse (32453111), we get a palindrome (43588534).

The spelling of 11135423 in words is "eleven million, one hundred thirty-five thousand, four hundred twenty-three".