11123738 has 4 divisors (see below), whose sum is σ = 16685610. Its totient is φ = 5561868.

The previous prime is 11123719. The next prime is 11123767. The reversal of 11123738 is 83732111.

11123738 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: 83732111 = 67 ⋅1249733.

It can be written as a sum of positive squares in only one way, i.e., 10936249 + 187489 = 3307^2 + 433^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780933 + ... + 2780936.

Almost surely, 2^11123738 is an apocalyptic number.

11123738 is a deficient number, since it is larger than the sum of its proper divisors (5561872).

11123738 is an equidigital number, since it uses as much as digits as its factorization.

11123738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561871.

The product of its digits is 1008, while the sum is 26.

The square root of 11123738 is about 3335.2268288679. The cubic root of 11123738 is about 223.2288132491.

Adding to 11123738 its reverse (83732111), we get a palindrome (94855849).

The spelling of 11123738 in words is "eleven million, one hundred twenty-three thousand, seven hundred thirty-eight".