11223973 has 2 divisors, whose sum is σ = 11223974. Its totient is φ = 11223972.

The previous prime is 11223941. The next prime is 11223997. The reversal of 11223973 is 37932211.

11223973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10975969 + 248004 = 3313^2 + 498^2 .

It is an emirp because it is prime and its reverse (37932211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11223973 - 2⁵ = 11223941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11223923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611986 + 5611987.

It is an arithmetic number, because the mean of its divisors is an integer number (5611987).

Almost surely, 2^11223973 is an apocalyptic number.

It is an amenable number.

11223973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223973 is an equidigital number, since it uses as much as digits as its factorization.

11223973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 11223973 is about 3350.2198435327. The cubic root of 11223973 is about 223.8973075730.

The spelling of 11223973 in words is "eleven million, two hundred twenty-three thousand, nine hundred seventy-three".