11320123 has 4 divisors (see below), whose sum is σ = 11347560. Its totient is φ = 11292688.

The previous prime is 11320097. The next prime is 11320129. The reversal of 11320123 is 32102311.

11320123 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 11320123 - 2¹⁷ = 11189051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320129) 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, 13090 + ... + 13927.

It is an arithmetic number, because the mean of its divisors is an integer number (2836890).

Almost surely, 2^11320123 is an apocalyptic number.

11320123 is a deficient number, since it is larger than the sum of its proper divisors (27437).

11320123 is an equidigital number, since it uses as much as digits as its factorization.

11320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27436.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11320123 is about 3364.5390471802. The cubic root of 11320123 is about 224.5348282531.

Adding to 11320123 its reverse (32102311), we get a palindrome (43422434).

The spelling of 11320123 in words is "eleven million, three hundred twenty thousand, one hundred twenty-three".