4511923 has 4 divisors (see below), whose sum is σ = 4859008. Its totient is φ = 4164840.

The previous prime is 4511917. The next prime is 4511939. The reversal of 4511923 is 3291154.

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 4511923 - 2¹³ = 4503731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4511123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173523 + ... + 173548.

It is an arithmetic number, because the mean of its divisors is an integer number (1214752).

Almost surely, 2^4511923 is an apocalyptic number.

4511923 is a deficient number, since it is larger than the sum of its proper divisors (347085).

4511923 is a wasteful number, since it uses less digits than its factorization.

4511923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347084.

The product of its digits is 1080, while the sum is 25.

The square root of 4511923 is about 2124.1287625754. The cubic root of 4511923 is about 165.2420445176.

The spelling of 4511923 in words is "four million, five hundred eleven thousand, nine hundred twenty-three".