11305023 has 4 divisors (see below), whose sum is σ = 15073368. Its totient is φ = 7536680.

The previous prime is 11305003. The next prime is 11305037. The reversal of 11305023 is 32050311.

It is a happy number.

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 11305023 - 2⁶ = 11304959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11304993 and 11305011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11305003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884168 + ... + 1884173.

It is an arithmetic number, because the mean of its divisors is an integer number (3768342).

Almost surely, 2^11305023 is an apocalyptic number.

11305023 is a deficient number, since it is larger than the sum of its proper divisors (3768345).

11305023 is an equidigital number, since it uses as much as digits as its factorization.

11305023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768344.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 11305023 is about 3362.2943059762. The cubic root of 11305023 is about 224.4349475789.

Adding to 11305023 its reverse (32050311), we get a palindrome (43355334).

The spelling of 11305023 in words is "eleven million, three hundred five thousand, twenty-three".