6630843223 has 6 divisors (see below), whose sum is σ = 6814900176. Its totient is φ = 6451629912.

The previous prime is 6630843221. The next prime is 6630843281. The reversal of 6630843223 is 3223480366.

It is not a de Polignac number, because 6630843223 - 2¹ = 6630843221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630843221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2420415 + ... + 2423152.

It is an arithmetic number, because the mean of its divisors is an integer number (1135816696).

Almost surely, 2^6630843223 is an apocalyptic number.

6630843223 is a deficient number, since it is larger than the sum of its proper divisors (184056953).

6630843223 is an equidigital number, since it uses as much as digits as its factorization.

6630843223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843641 (or 4843604 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 6630843223 is about 81429.9897028116. The cubic root of 6630843223 is about 1878.6948863068.

The spelling of 6630843223 in words is "six billion, six hundred thirty million, eight hundred forty-three thousand, two hundred twenty-three".