4081723 has 4 divisors (see below), whose sum is σ = 4119280. Its totient is φ = 4044168.

The previous prime is 4081711. The next prime is 4081733. The reversal of 4081723 is 3271804.

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 4081723 - 2²¹ = 1984571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4081703) 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, 18615 + ... + 18832.

It is an arithmetic number, because the mean of its divisors is an integer number (1029820).

Almost surely, 2^4081723 is an apocalyptic number.

4081723 is a deficient number, since it is larger than the sum of its proper divisors (37557).

4081723 is a wasteful number, since it uses less digits than its factorization.

4081723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37556.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4081723 is about 2020.3274487073. The cubic root of 4081723 is about 159.8138851543.

The spelling of 4081723 in words is "four million, eighty-one thousand, seven hundred twenty-three".