11223923 has 2 divisors, whose sum is σ = 11223924. Its totient is φ = 11223922.

The previous prime is 11223887. The next prime is 11223937. The reversal of 11223923 is 32932211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11223923 - 2¹⁸ = 10961779 is a prime.

It is not a weakly prime, because it can be changed into another prime (11223973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611961 + 5611962.

It is an arithmetic number, because the mean of its divisors is an integer number (5611962).

Almost surely, 2^11223923 is an apocalyptic number.

11223923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223923 is an equidigital number, since it uses as much as digits as its factorization.

11223923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 11223923 is about 3350.2123813275. The cubic root of 11223923 is about 223.8969751036.

The spelling of 11223923 in words is "eleven million, two hundred twenty-three thousand, nine hundred twenty-three".