4000423313 has 8 divisors (see below), whose sum is σ = 4109364840. Its totient is φ = 3891525120.

The previous prime is 4000423307. The next prime is 4000423321. The reversal of 4000423313 is 3133240004.

It can be written as a sum of positive squares in 4 ways, for example, as 2264617744 + 1735805569 = 47588^2 + 41663^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4000423313 - 2⁸ = 4000423057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000423513) 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, 283223 + ... + 297011.

It is an arithmetic number, because the mean of its divisors is an integer number (513670605).

Almost surely, 2^4000423313 is an apocalyptic number.

It is an amenable number.

4000423313 is a deficient number, since it is larger than the sum of its proper divisors (108941527).

4000423313 is a wasteful number, since it uses less digits than its factorization.

4000423313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21667.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 4000423313 is about 63248.8996979394. The cubic root of 4000423313 is about 1587.4570472847.

Adding to 4000423313 its reverse (3133240004), we get a palindrome (7133663317).

The spelling of 4000423313 in words is "four billion, four hundred twenty-three thousand, three hundred thirteen".