9933923 has 2 divisors, whose sum is σ = 9933924. Its totient is φ = 9933922.

The previous prime is 9933887. The next prime is 9933947. The reversal of 9933923 is 3293399.

9933923 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 is an emirp because it is prime and its reverse (3293399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9933923 - 2¹⁴ = 9917539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9933983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4966961 + 4966962.

It is an arithmetic number, because the mean of its divisors is an integer number (4966962).

Almost surely, 2^9933923 is an apocalyptic number.

9933923 is a deficient number, since it is larger than the sum of its proper divisors (1).

9933923 is an equidigital number, since it uses as much as digits as its factorization.

9933923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 38.

The square root of 9933923 is about 3151.8126530617. The cubic root of 9933923 is about 214.9678913651.

The spelling of 9933923 in words is "nine million, nine hundred thirty-three thousand, nine hundred twenty-three".