11303923 has 4 divisors (see below), whose sum is σ = 11544480. Its totient is φ = 11063368.

The previous prime is 11303911. The next prime is 11303989. The reversal of 11303923 is 32930311.

11303923 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, and also an emirpimes, since its reverse is a distinct semiprime: 32930311 = 353 ⋅93287.

It is a cyclic number.

It is not a de Polignac number, because 11303923 - 2⁵ = 11303891 is a prime.

It is a super-3 number, since 3×11303923³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11303894 and 11303903.

It is not an unprimeable number, because it can be changed into a prime (11313923) 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, 120208 + ... + 120301.

It is an arithmetic number, because the mean of its divisors is an integer number (2886120).

Almost surely, 2^11303923 is an apocalyptic number.

11303923 is a deficient number, since it is larger than the sum of its proper divisors (240557).

11303923 is an equidigital number, since it uses as much as digits as its factorization.

11303923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240556.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 11303923 is about 3362.1307232170. The cubic root of 11303923 is about 224.4276680287.

The spelling of 11303923 in words is "eleven million, three hundred three thousand, nine hundred twenty-three".