8203640343 has 16 divisors (see below), whose sum is σ = 11591652096. Its totient is φ = 5142919040.

The previous prime is 8203640323. The next prime is 8203640359. The reversal of 8203640343 is 3430463028.

8203640343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8203640343 - 2¹⁰ = 8203639319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8203640323) 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, 9843 + ... + 128468.

It is an arithmetic number, because the mean of its divisors is an integer number (724478256).

Almost surely, 2^8203640343 is an apocalyptic number.

8203640343 is a deficient number, since it is larger than the sum of its proper divisors (3388011753).

8203640343 is a wasteful number, since it uses less digits than its factorization.

8203640343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139494.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 8203640343 is about 90573.9495826477. The cubic root of 8203640343 is about 2016.8280400004.

The spelling of 8203640343 in words is "eight billion, two hundred three million, six hundred forty thousand, three hundred forty-three".