11123123 has 8 divisors (see below), whose sum is σ = 12246960. Its totient is φ = 10018080.

The previous prime is 11123107. The next prime is 11123129. The reversal of 11123123 is 32132111.

11123123 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 a cyclic number.

It is not a de Polignac number, because 11123123 - 2⁴ = 11123107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11123098 and 11123107.

It is not an unprimeable number, because it can be changed into a prime (11123129) 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, 3440 + ... + 5837.

It is an arithmetic number, because the mean of its divisors is an integer number (1530870).

Almost surely, 2^11123123 is an apocalyptic number.

11123123 is a deficient number, since it is larger than the sum of its proper divisors (1123837).

11123123 is a wasteful number, since it uses less digits than its factorization.

11123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9397.

The product of its digits is 36, while the sum is 14.

The square root of 11123123 is about 3335.1346299662. The cubic root of 11123123 is about 223.2246992768.

Adding to 11123123 its reverse (32132111), we get a palindrome (43255234).

The spelling of 11123123 in words is "eleven million, one hundred twenty-three thousand, one hundred twenty-three".