4506123 has 4 divisors (see below), whose sum is σ = 6008168. Its totient is φ = 3004080.

The previous prime is 4506121. The next prime is 4506127. The reversal of 4506123 is 3216054.

It is a happy number.

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

It is not a de Polignac number, because 4506123 - 2¹ = 4506121 is a prime.

It is a super-2 number, since 2×4506123² = 40610288982258, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

4506123 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4506123.

It is not an unprimeable number, because it can be changed into a prime (4506121) 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, 751018 + ... + 751023.

It is an arithmetic number, because the mean of its divisors is an integer number (1502042).

Almost surely, 2^4506123 is an apocalyptic number.

4506123 is a deficient number, since it is larger than the sum of its proper divisors (1502045).

4506123 is a wasteful number, since it uses less digits than its factorization.

4506123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502044.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 4506123 is about 2122.7630579035. The cubic root of 4506123 is about 165.1712088804.

The spelling of 4506123 in words is "four million, five hundred six thousand, one hundred twenty-three".