558345923 has 2 divisors, whose sum is σ = 558345924. Its totient is φ = 558345922.

The previous prime is 558345919. The next prime is 558345959. The reversal of 558345923 is 329543855.

558345923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 558345923 - 2² = 558345919 is a prime.

It is not a weakly prime, because it can be changed into another prime (558342923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279172961 + 279172962.

It is an arithmetic number, because the mean of its divisors is an integer number (279172962).

Almost surely, 2^558345923 is an apocalyptic number.

558345923 is a deficient number, since it is larger than the sum of its proper divisors (1).

558345923 is an equidigital number, since it uses as much as digits as its factorization.

558345923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 44.

The square root of 558345923 is about 23629.3445317470. The cubic root of 558345923 is about 823.4447211527. Note that the first 3 decimals are identical.

The spelling of 558345923 in words is "five hundred fifty-eight million, three hundred forty-five thousand, nine hundred twenty-three".