2018523 has 16 divisors (see below), whose sum is σ = 2942240. Its totient is φ = 1223424.

The previous prime is 2018507. The next prime is 2018531. The reversal of 2018523 is 3258102.

It is not a de Polignac number, because 2018523 - 2⁴ = 2018507 is a prime.

It is a super-3 number, since 3×2018523³ = 24673022893330865001, which contains 333 as substring.

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 2018523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2493 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (183890).

2^2018523 is an apocalyptic number.

2018523 is a deficient number, since it is larger than the sum of its proper divisors (923717).

2018523 is a wasteful number, since it uses less digits than its factorization.

2018523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2018523 is about 1420.7473385511. The cubic root of 2018523 is about 126.3798689766.

The spelling of 2018523 in words is "two million, eighteen thousand, five hundred twenty-three".