2023605 has 24 divisors (see below), whose sum is σ = 3540888. Its totient is φ = 1069056.

The previous prime is 2023603. The next prime is 2023607. The reversal of 2023605 is 5063202.

It is an interprime number because it is at equal distance from previous prime (2023603) and next prime (2023607).

It can be written as a sum of positive squares in 4 ways, for example, as 1521 + 2022084 = 39^2 + 1422^2 .

It is not a de Polignac number, because 2023605 - 2¹ = 2023603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8569 + ... + 8801.

It is an arithmetic number, because the mean of its divisors is an integer number (147537).

2^2023605 is an apocalyptic number.

It is an amenable number.

2023605 is a deficient number, since it is larger than the sum of its proper divisors (1517283).

2023605 is a wasteful number, since it uses less digits than its factorization.

2023605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2023605 is about 1422.5347095941. The cubic root of 2023605 is about 126.4858415520.

Adding to 2023605 its reverse (5063202), we get a palindrome (7086807).

It can be divided in two parts, 2023 and 605, that added together give a triangular number (2628 = T₇₂).

The spelling of 2023605 in words is "two million, twenty-three thousand, six hundred five".