4518923 has 4 divisors (see below), whose sum is σ = 4784760. Its totient is φ = 4253088.

The previous prime is 4518907. The next prime is 4518929. The reversal of 4518923 is 3298154.

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

It is a cyclic number.

It is not a de Polignac number, because 4518923 - 2⁴ = 4518907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4518923.

It is not an unprimeable number, because it can be changed into a prime (4518929) 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, 132893 + ... + 132926.

It is an arithmetic number, because the mean of its divisors is an integer number (1196190).

Almost surely, 2^4518923 is an apocalyptic number.

4518923 is a deficient number, since it is larger than the sum of its proper divisors (265837).

4518923 is a wasteful number, since it uses less digits than its factorization.

4518923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265836.

The product of its digits is 8640, while the sum is 32.

The square root of 4518923 is about 2125.7758583632. The cubic root of 4518923 is about 165.3274550062.

The spelling of 4518923 in words is "four million, five hundred eighteen thousand, nine hundred twenty-three".