4723999 has 4 divisors (see below), whose sum is σ = 5398864. Its totient is φ = 4049136.

The previous prime is 4723987. The next prime is 4724047. The reversal of 4723999 is 9993274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9993274 = 2 ⋅4996637.

It is not a de Polignac number, because 4723999 - 2¹⁹ = 4199711 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 7⁴ + 2¹⁹ + 3⁷ + 9 + 9² + 9³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4723949) 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, 337422 + ... + 337435.

It is an arithmetic number, because the mean of its divisors is an integer number (1349716).

Almost surely, 2^4723999 is an apocalyptic number.

4723999 is a deficient number, since it is larger than the sum of its proper divisors (674865).

4723999 is an equidigital number, since it uses as much as digits as its factorization.

4723999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674864.

The product of its digits is 122472, while the sum is 43.

The square root of 4723999 is about 2173.4762478573. The cubic root of 4723999 is about 167.7914906591.

The spelling of 4723999 in words is "four million, seven hundred twenty-three thousand, nine hundred ninety-nine".