4000423323 has 16 divisors (see below), whose sum is σ = 6082092576. Its totient is φ = 2316986880.

The previous prime is 4000423321. The next prime is 4000423331. The reversal of 4000423323 is 3233240004.

It is not a de Polignac number, because 4000423323 - 2¹ = 4000423321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4000423323.

It is not an unprimeable number, because it can be changed into a prime (4000423321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3016248 + ... + 3017573.

It is an arithmetic number, because the mean of its divisors is an integer number (380130786).

Almost surely, 2^4000423323 is an apocalyptic number.

4000423323 is a deficient number, since it is larger than the sum of its proper divisors (2081669253).

4000423323 is a wasteful number, since it uses less digits than its factorization.

4000423323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033854.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 4000423323 is about 63248.8997769922. The cubic root of 4000423323 is about 1587.4570486075.

Adding to 4000423323 its reverse (3233240004), we get a palindrome (7233663327).

The spelling of 4000423323 in words is "four billion, four hundred twenty-three thousand, three hundred twenty-three".