9923923 has 2 divisors, whose sum is σ = 9923924. Its totient is φ = 9923922.

The previous prime is 9923911. The next prime is 9923933. The reversal of 9923923 is 3293299.

It is a strong prime.

It is an emirp because it is prime and its reverse (3293299) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9923923 - 2⁵ = 9923891 is a prime.

It is not a weakly prime, because it can be changed into another prime (9923933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961961 + 4961962.

It is an arithmetic number, because the mean of its divisors is an integer number (4961962).

Almost surely, 2^9923923 is an apocalyptic number.

9923923 is a deficient number, since it is larger than the sum of its proper divisors (1).

9923923 is an equidigital number, since it uses as much as digits as its factorization.

9923923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 37.

The square root of 9923923 is about 3150.2258649183. The cubic root of 9923923 is about 214.8957345531.

The spelling of 9923923 in words is "nine million, nine hundred twenty-three thousand, nine hundred twenty-three".