6723343841 has 2 divisors, whose sum is σ = 6723343842. Its totient is φ = 6723343840.

The previous prime is 6723343813. The next prime is 6723343867. The reversal of 6723343841 is 1483433276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3943840000 + 2779503841 = 62800^2 + 52721^2 .

It is a cyclic number.

It is not a de Polignac number, because 6723343841 - 2²² = 6719149537 is a prime.

It is not a weakly prime, because it can be changed into another prime (6723343871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361671920 + 3361671921.

It is an arithmetic number, because the mean of its divisors is an integer number (3361671921).

Almost surely, 2^6723343841 is an apocalyptic number.

It is an amenable number.

6723343841 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723343841 is an equidigital number, since it uses as much as digits as its factorization.

6723343841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 41.

The square root of 6723343841 is about 81995.9989328748. The cubic root of 6723343841 is about 1887.3905405933.

The spelling of 6723343841 in words is "six billion, seven hundred twenty-three million, three hundred forty-three thousand, eight hundred forty-one".