4493523 has 4 divisors (see below), whose sum is σ = 5991368. Its totient is φ = 2995680.

The previous prime is 4493513. The next prime is 4493527. The reversal of 4493523 is 3253944.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4493523 - 2⁴ = 4493507 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4493527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748918 + ... + 748923.

It is an arithmetic number, because the mean of its divisors is an integer number (1497842).

Almost surely, 2^4493523 is an apocalyptic number.

4493523 is a deficient number, since it is larger than the sum of its proper divisors (1497845).

4493523 is a wasteful number, since it uses less digits than its factorization.

4493523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497844.

The product of its digits is 12960, while the sum is 30.

The square root of 4493523 is about 2119.7931502861. The cubic root of 4493523 is about 165.0171148454.

The spelling of 4493523 in words is "four million, four hundred ninety-three thousand, five hundred twenty-three".