4056523 has 8 divisors (see below), whose sum is σ = 4387392. Its totient is φ = 3735936.

The previous prime is 4056517. The next prime is 4056527. The reversal of 4056523 is 3256504.

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

It is not a de Polignac number, because 4056523 - 2²¹ = 1959371 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 0 + 5³ + 6⁴ + 5⁹ + 2²¹ + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740 + ... + 3337.

It is an arithmetic number, because the mean of its divisors is an integer number (548424).

Almost surely, 2^4056523 is an apocalyptic number.

4056523 is a deficient number, since it is larger than the sum of its proper divisors (330869).

4056523 is a wasteful number, since it uses less digits than its factorization.

4056523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 4056523 is about 2014.0811800918. The cubic root of 4056523 is about 159.4843162875.

The spelling of 4056523 in words is "four million, fifty-six thousand, five hundred twenty-three".