4000323 has 8 divisors (see below), whose sum is σ = 5401600. Its totient is φ = 2632968.

The previous prime is 4000309. The next prime is 4000343. The reversal of 4000323 is 3230004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4000323 - 2⁵ = 4000291 is a prime.

It is a Duffinian number.

4000323 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4000299 and 4000308.

It is not an unprimeable number, because it can be changed into a prime (4000303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8203 + ... + 8676.

It is an arithmetic number, because the mean of its divisors is an integer number (675200).

Almost surely, 2^4000323 is an apocalyptic number.

4000323 is a deficient number, since it is larger than the sum of its proper divisors (1401277).

4000323 is a wasteful number, since it uses less digits than its factorization.

4000323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16961.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 4000323 is about 2000.0807483699. The cubic root of 4000323 is about 158.7443778363.

Adding to 4000323 its reverse (3230004), we get a palindrome (7230327).

The spelling of 4000323 in words is "four million, three hundred twenty-three", and thus it is an aban number.