605609923 has 2 divisors, whose sum is σ = 605609924. Its totient is φ = 605609922.

The previous prime is 605609911. The next prime is 605609957. The reversal of 605609923 is 329906506.

605609923 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 605609923 - 2²¹ = 603512771 is a prime.

It is not a weakly prime, because it can be changed into another prime (605609423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302804961 + 302804962.

It is an arithmetic number, because the mean of its divisors is an integer number (302804962).

Almost surely, 2^605609923 is an apocalyptic number.

605609923 is a deficient number, since it is larger than the sum of its proper divisors (1).

605609923 is an equidigital number, since it uses as much as digits as its factorization.

605609923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 605609923 is about 24609.1430773199. The cubic root of 605609923 is about 846.0531774348.

The spelling of 605609923 in words is "six hundred five million, six hundred nine thousand, nine hundred twenty-three".