2023165 has 8 divisors (see below), whose sum is σ = 2437848. Its totient is φ = 1611840.

The previous prime is 2023163. The next prime is 2023171. The reversal of 2023165 is 5613202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 597529 + 1425636 = 773^2 + 1194^2 .

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

It is not a de Polignac number, because 2023165 - 2¹ = 2023163 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 0 + 2¹⁸ + 3⁵ + 1 + 6⁸ + 5⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (304731).

2^2023165 is an apocalyptic number.

It is an amenable number.

2023165 is a deficient number, since it is larger than the sum of its proper divisors (414683).

2023165 is a wasteful number, since it uses less digits than its factorization.

2023165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2023165 is about 1422.3800476666. The cubic root of 2023165 is about 126.4766734577.

Adding to 2023165 its reverse (5613202), we get a palindrome (7636367).

The spelling of 2023165 in words is "two million, twenty-three thousand, one hundred sixty-five".