4999723 has 4 divisors (see below), whose sum is σ = 5048368. Its totient is φ = 4951080.

The previous prime is 4999703. The next prime is 4999727. The reversal of 4999723 is 3279994.

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 4999723 - 2¹⁷ = 4868651 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 9 + 9⁵ + 9⁵ + 7³ + 2¹⁵ + 3¹⁴ .

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 4999723.

It is not an unprimeable number, because it can be changed into a prime (4999727) 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, 24168 + ... + 24373.

It is an arithmetic number, because the mean of its divisors is an integer number (1262092).

Almost surely, 2^4999723 is an apocalyptic number.

4999723 is a deficient number, since it is larger than the sum of its proper divisors (48645).

4999723 is a wasteful number, since it uses less digits than its factorization.

4999723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48644.

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

The square root of 4999723 is about 2236.0060375589. The cubic root of 4999723 is about 170.9944368538.

The spelling of 4999723 in words is "four million, nine hundred ninety-nine thousand, seven hundred twenty-three".