4318723 has 4 divisors (see below), whose sum is σ = 4335408. Its totient is φ = 4302040.

The previous prime is 4318673. The next prime is 4318729. The reversal of 4318723 is 3278134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3278134 = 2 ⋅1639067.

It is a cyclic number.

It is not a de Polignac number, because 4318723 - 2⁹ = 4318211 is a prime.

It is a Duffinian number.

4318723 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4318691 and 4318700.

It is not an unprimeable number, because it can be changed into a prime (4318729) 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, 7948 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (1083852).

Almost surely, 2^4318723 is an apocalyptic number.

4318723 is a deficient number, since it is larger than the sum of its proper divisors (16685).

4318723 is a wasteful number, since it uses less digits than its factorization.

4318723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16684.

The product of its digits is 4032, while the sum is 28.

The square root of 4318723 is about 2078.1537479215. The cubic root of 4318723 is about 162.8490076767.

It can be divided in two parts, 4318 and 723, that added together give a square (5041 = 71²).

The spelling of 4318723 in words is "four million, three hundred eighteen thousand, seven hundred twenty-three".