606623 has 4 divisors (see below), whose sum is σ = 608280. Its totient is φ = 604968.

The previous prime is 606607. The next prime is 606643. The reversal of 606623 is 326606.

606623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 606623 - 2⁴ = 606607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606643) 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, 8 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (152070).

2⁶⁰⁶⁶²³ is an apocalyptic number.

606623 is a deficient number, since it is larger than the sum of its proper divisors (1657).

606623 is a wasteful number, since it uses less digits than its factorization.

606623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 606623 is about 778.8600644532. The cubic root of 606623 is about 84.6524679795.

The spelling of 606623 in words is "six hundred six thousand, six hundred twenty-three".