2023655 has 8 divisors (see below), whose sum is σ = 2534112. Its totient is φ = 1548448.

The previous prime is 2023639. The next prime is 2023661. The reversal of 2023655 is 5563202.

It is a happy number.

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 2023655 - 2⁴ = 2023639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a d-powerful number, because it can be written as 2⁷ + 0 + 2¹³ + 3¹⁰ + 6² + 5⁵ + 5⁹ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2023655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8684 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (316764).

2^2023655 is an apocalyptic number.

2023655 is a deficient number, since it is larger than the sum of its proper divisors (510457).

2023655 is a wasteful number, since it uses less digits than its factorization.

2023655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17625.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2023655 is about 1422.5522837492. The cubic root of 2023655 is about 126.4868832968.

Adding to 2023655 its reverse (5563202), we get a palindrome (7586857).

The spelling of 2023655 in words is "two million, twenty-three thousand, six hundred fifty-five".