578923 has 2 divisors, whose sum is σ = 578924. Its totient is φ = 578922.

The previous prime is 578917. The next prime is 578957. The reversal of 578923 is 329875.

It is an a-pointer prime, because the next prime (578957) can be obtained adding 578923 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-578923 is a prime.

It is not a weakly prime, because it can be changed into another prime (575923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289461 + 289462.

It is an arithmetic number, because the mean of its divisors is an integer number (289462).

2⁵⁷⁸⁹²³ is an apocalyptic number.

578923 is a deficient number, since it is larger than the sum of its proper divisors (1).

578923 is an equidigital number, since it uses as much as digits as its factorization.

578923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 578923 is about 760.8698968943. The cubic root of 578923 is about 83.3438582262.

The spelling of 578923 in words is "five hundred seventy-eight thousand, nine hundred twenty-three".