4538023 has 4 divisors (see below), whose sum is σ = 5186320. Its totient is φ = 3889728.

The previous prime is 4537993. The next prime is 4538033. The reversal of 4538023 is 3208354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3208354 = 2 ⋅1604177.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4538023 is a prime.

It is a super-4 number, since 4×4538023⁴ (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538033) 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 3 ways as a sum of consecutive naturals, for example, 324138 + ... + 324151.

It is an arithmetic number, because the mean of its divisors is an integer number (1296580).

Almost surely, 2^4538023 is an apocalyptic number.

4538023 is a deficient number, since it is larger than the sum of its proper divisors (648297).

4538023 is an equidigital number, since it uses as much as digits as its factorization.

4538023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648296.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4538023 is about 2130.2635987126. The cubic root of 4538023 is about 165.5600558478.

The spelling of 4538023 in words is "four million, five hundred thirty-eight thousand, twenty-three".