4000234323 has 4 divisors (see below), whose sum is σ = 5333645768. Its totient is φ = 2666822880.

The previous prime is 4000234321. The next prime is 4000234339. The reversal of 4000234323 is 3234320004.

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

It is not a de Polignac number, because 4000234323 - 2¹ = 4000234321 is a prime.

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 4000234323.

It is not an unprimeable number, because it can be changed into a prime (4000234321) 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, 666705718 + ... + 666705723.

It is an arithmetic number, because the mean of its divisors is an integer number (1333411442).

Almost surely, 2^4000234323 is an apocalyptic number.

4000234323 is a deficient number, since it is larger than the sum of its proper divisors (1333411445).

4000234323 is a wasteful number, since it uses less digits than its factorization.

4000234323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333411444.

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

The square root of 4000234323 is about 63247.4056622088. The cubic root of 4000234323 is about 1587.4320484110.

Adding to 4000234323 its reverse (3234320004), we get a palindrome (7234554327).

The spelling of 4000234323 in words is "four billion, two hundred thirty-four thousand, three hundred twenty-three".