4081323 has 4 divisors (see below), whose sum is σ = 5441768. Its totient is φ = 2720880.

The previous prime is 4081307. The next prime is 4081331. The reversal of 4081323 is 3231804.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4081323 - 2⁴ = 4081307 is a prime.

It is an Ulam number.

It is a D-number.

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 4081323.

It is not an unprimeable number, because it can be changed into a prime (4081303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680218 + ... + 680223.

It is an arithmetic number, because the mean of its divisors is an integer number (1360442).

Almost surely, 2^4081323 is an apocalyptic number.

4081323 is a deficient number, since it is larger than the sum of its proper divisors (1360445).

4081323 is a wasteful number, since it uses less digits than its factorization.

4081323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360444.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4081323 is about 2020.2284524281. The cubic root of 4081323 is about 159.8086645124.

The spelling of 4081323 in words is "four million, eighty-one thousand, three hundred twenty-three".