6723243 has 10 divisors (see below), whose sum is σ = 10043484. Its totient is φ = 4482108.

The previous prime is 6723217. The next prime is 6723251. The reversal of 6723243 is 3423276.

It is not a de Polignac number, because 6723243 - 2⁸ = 6722987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 6⁷ + 7³ + 2³ + 3¹³ + 2⁷ + 4⁸ + 3¹⁴ .

It is not an unprimeable number, because it can be changed into a prime (6723293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41421 + ... + 41582.

Almost surely, 2^6723243 is an apocalyptic number.

6723243 is a deficient number, since it is larger than the sum of its proper divisors (3320241).

6723243 is an equidigital number, since it uses as much as digits as its factorization.

6723243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83015 (or 83006 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 6723243 is about 2592.9217111205. The cubic root of 6723243 is about 188.7381104450.

The spelling of 6723243 in words is "six million, seven hundred twenty-three thousand, two hundred forty-three".