655023 has 8 divisors (see below), whose sum is σ = 903600. Its totient is φ = 421568.

The previous prime is 655021. The next prime is 655033. The reversal of 655023 is 320556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655023 - 2¹ = 655021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3678 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (112950).

2⁶⁵⁵⁰²³ is an apocalyptic number.

655023 is a deficient number, since it is larger than the sum of its proper divisors (248577).

655023 is a wasteful number, since it uses less digits than its factorization.

655023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 655023 is about 809.3349121346. The cubic root of 655023 is about 86.8464725270.

Adding to 655023 its reverse (320556), we get a palindrome (975579).

The spelling of 655023 in words is "six hundred fifty-five thousand, twenty-three".