4505923 has 4 divisors (see below), whose sum is σ = 4563040. Its totient is φ = 4448808.

The previous prime is 4505899. The next prime is 4505929. The reversal of 4505923 is 3295054.

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 4505923 - 2²¹ = 2408771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4505891 and 4505900.

It is not an unprimeable number, because it can be changed into a prime (4505929) 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, 28440 + ... + 28597.

It is an arithmetic number, because the mean of its divisors is an integer number (1140760).

Almost surely, 2^4505923 is an apocalyptic number.

4505923 is a deficient number, since it is larger than the sum of its proper divisors (57117).

4505923 is an equidigital number, since it uses as much as digits as its factorization.

4505923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57116.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 4505923 is about 2122.7159489673. The cubic root of 4505923 is about 165.1687651883.

The spelling of 4505923 in words is "four million, five hundred five thousand, nine hundred twenty-three".