11940223 has 4 divisors (see below), whose sum is σ = 11978928. Its totient is φ = 11901520.

The previous prime is 11940221. The next prime is 11940241. The reversal of 11940223 is 32204911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32204911 = 37 ⋅870403.

It is a cyclic number.

It is not a de Polignac number, because 11940223 - 2¹ = 11940221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11940194 and 11940203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11940221) 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, 18886 + ... + 19507.

It is an arithmetic number, because the mean of its divisors is an integer number (2994732).

Almost surely, 2^11940223 is an apocalyptic number.

11940223 is a deficient number, since it is larger than the sum of its proper divisors (38705).

11940223 is an equidigital number, since it uses as much as digits as its factorization.

11940223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38704.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11940223 is about 3455.4627765323. The cubic root of 11940223 is about 228.5620622836.

The spelling of 11940223 in words is "eleven million, nine hundred forty thousand, two hundred twenty-three".