923399 has 2 divisors, whose sum is σ = 923400. Its totient is φ = 923398.

The previous prime is 923387. The next prime is 923407. The reversal of 923399 is 993329.

923399 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-923399 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 923399.

It is not a weakly prime, because it can be changed into another prime (923309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461699 + 461700.

It is an arithmetic number, because the mean of its divisors is an integer number (461700).

2⁹²³³⁹⁹ is an apocalyptic number.

923399 is a deficient number, since it is larger than the sum of its proper divisors (1).

923399 is an equidigital number, since it uses as much as digits as its factorization.

923399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 35.

The square root of 923399 is about 960.9365223572. The cubic root of 923399 is about 97.3785118449.

The spelling of 923399 in words is "nine hundred twenty-three thousand, three hundred ninety-nine".