923947 has 2 divisors, whose sum is σ = 923948. Its totient is φ = 923946.

The previous prime is 923939. The next prime is 923953. The reversal of 923947 is 749329.

923947 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 not a de Polignac number, because 923947 - 2³ = 923939 is a prime.

It is not a weakly prime, because it can be changed into another prime (923917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461973 + 461974.

It is an arithmetic number, because the mean of its divisors is an integer number (461974).

2⁹²³⁹⁴⁷ is an apocalyptic number.

923947 is a deficient number, since it is larger than the sum of its proper divisors (1).

923947 is an equidigital number, since it uses as much as digits as its factorization.

923947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 923947 is about 961.2216185667. The cubic root of 923947 is about 97.3977714397.

The spelling of 923947 in words is "nine hundred twenty-three thousand, nine hundred forty-seven".