2023506 has 24 divisors (see below), whose sum is σ = 4442880. Its totient is φ = 665496.

The previous prime is 2023501. The next prime is 2023507. The reversal of 2023506 is 6053202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2023501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (185120).

2^2023506 is an apocalyptic number.

It is a pronic number, being equal to 1422×1423.

2023506 is an abundant number, since it is smaller than the sum of its proper divisors (2419374).

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

2023506 is a wasteful number, since it uses less digits than its factorization.

2023506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1507 counting only the distinct ones).

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

The square root of 2023506 is about 1422.4999121265. The cubic root of 2023506 is about 126.4837788467.

Adding to 2023506 its reverse (6053202), we get a palindrome (8076708).

The spelling of 2023506 in words is "two million, twenty-three thousand, five hundred six".