11123345 has 4 divisors (see below), whose sum is σ = 13348020. Its totient is φ = 8898672.

The previous prime is 11123323. The next prime is 11123393. The reversal of 11123345 is 54332111.

11123345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54332111 = 71 ⋅765241.

It can be written as a sum of positive squares in 2 ways, for example, as 2989441 + 8133904 = 1729^2 + 2852^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123345 - 2¹² = 11119249 is a prime.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112330 + ... + 1112339.

It is an arithmetic number, because the mean of its divisors is an integer number (3337005).

Almost surely, 2^11123345 is an apocalyptic number.

It is an amenable number.

11123345 is a deficient number, since it is larger than the sum of its proper divisors (2224675).

11123345 is an equidigital number, since it uses as much as digits as its factorization.

11123345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224674.

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

The square root of 11123345 is about 3335.1679118149. The cubic root of 11123345 is about 223.2261843379.

Adding to 11123345 its reverse (54332111), we get a palindrome (65455456).

The spelling of 11123345 in words is "eleven million, one hundred twenty-three thousand, three hundred forty-five".