11442123 has 72 divisors (see below), whose sum is σ = 22131200. Its totient is φ = 5559840.

The previous prime is 11442121. The next prime is 11442127. The reversal of 11442123 is 32124411.

It is not a de Polignac number, because 11442123 - 2¹ = 11442121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11442096 and 11442105.

It is not an unprimeable number, because it can be changed into a prime (11442121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 144798 + ... + 144876.

Almost surely, 2^11442123 is an apocalyptic number.

11442123 is a deficient number, since it is larger than the sum of its proper divisors (10689077).

11442123 is a wasteful number, since it uses less digits than its factorization.

11442123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 119 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 11442123 is about 3382.6207295528. The cubic root of 11442123 is about 225.3385717556.

Adding to 11442123 its reverse (32124411), we get a palindrome (43566534).

The spelling of 11442123 in words is "eleven million, four hundred forty-two thousand, one hundred twenty-three".