605923 has 4 divisors (see below), whose sum is σ = 607608. Its totient is φ = 604240.

The previous prime is 605921. The next prime is 605933. The reversal of 605923 is 329506.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 605923 - 2¹ = 605921 is a prime.

It is a super-5 number, since 5×605923⁵ (a number of 30 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61 + ... + 1102.

It is an arithmetic number, because the mean of its divisors is an integer number (151902).

2⁶⁰⁵⁹²³ is an apocalyptic number.

605923 is a deficient number, since it is larger than the sum of its proper divisors (1685).

605923 is a wasteful number, since it uses less digits than its factorization.

605923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 605923 is about 778.4105600517. The cubic root of 605923 is about 84.6198944619.

The spelling of 605923 in words is "six hundred five thousand, nine hundred twenty-three".