4528623 has 16 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 2717280.

The previous prime is 4528609. The next prime is 4528627. The reversal of 4528623 is 3268254.

It is not a de Polignac number, because 4528623 - 2⁴ = 4528607 is a prime.

It is a super-2 number, since 2×4528623² = 41016852552258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2968 + ... + 4226.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^4528623 is an apocalyptic number.

4528623 is a deficient number, since it is larger than the sum of its proper divisors (2124177).

4528623 is a wasteful number, since it uses less digits than its factorization.

4528623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382.

The product of its digits is 11520, while the sum is 30.

The square root of 4528623 is about 2128.0561552741. The cubic root of 4528623 is about 165.4456638681.

It can be divided in two parts, 4528 and 623, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 4528623 in words is "four million, five hundred twenty-eight thousand, six hundred twenty-three".