2023530 has 32 divisors (see below), whose sum is σ = 4990464. Its totient is φ = 524736.

The previous prime is 2023529. The next prime is 2023531. The reversal of 2023530 is 353202.

It is an interprime number because it is at equal distance from previous prime (2023529) and next prime (2023531).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2023531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (155952).

2^2023530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2023530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2495232).

2023530 is an abundant number, since it is smaller than the sum of its proper divisors (2966934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023530 is a wasteful number, since it uses less digits than its factorization.

2023530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 2023530 is about 1422.5083479544. The cubic root of 2023530 is about 126.4842789026.

Adding to 2023530 its reverse (353202), we get a palindrome (2376732).

The spelling of 2023530 in words is "two million, twenty-three thousand, five hundred thirty".