9213923 has 2 divisors, whose sum is σ = 9213924. Its totient is φ = 9213922.

The previous prime is 9213871. The next prime is 9213937. The reversal of 9213923 is 3293129.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9213923 - 2¹⁶ = 9148387 is a prime.

It is not a weakly prime, because it can be changed into another prime (9213023) 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, 4606961 + 4606962.

It is an arithmetic number, because the mean of its divisors is an integer number (4606962).

Almost surely, 2^9213923 is an apocalyptic number.

9213923 is a deficient number, since it is larger than the sum of its proper divisors (1).

9213923 is an equidigital number, since it uses as much as digits as its factorization.

9213923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The square root of 9213923 is about 3035.4444485116. Note that the first 5 decimals coincide. The cubic root of 9213923 is about 209.6435601222.

The spelling of 9213923 in words is "nine million, two hundred thirteen thousand, nine hundred twenty-three".