4002320343 has 12 divisors (see below), whose sum is σ = 6207680760. Its totient is φ = 2287040112.

The previous prime is 4002320239. The next prime is 4002320393. The reversal of 4002320343 is 3430232004.

4002320343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4002320343 - 2⁸ = 4002320087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002320393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13613188 + ... + 13613481.

It is an arithmetic number, because the mean of its divisors is an integer number (517306730).

Almost surely, 2^4002320343 is an apocalyptic number.

4002320343 is a deficient number, since it is larger than the sum of its proper divisors (2205360417).

4002320343 is a wasteful number, since it uses less digits than its factorization.

4002320343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27226686 (or 27226679 counting only the distinct ones).

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

The square root of 4002320343 is about 63263.8944659590. The cubic root of 4002320343 is about 1587.7079355462.

Adding to 4002320343 its reverse (3430232004), we get a palindrome (7432552347).

The spelling of 4002320343 in words is "four billion, two million, three hundred twenty thousand, three hundred forty-three".