6667340723 has 2 divisors, whose sum is σ = 6667340724. Its totient is φ = 6667340722.

The previous prime is 6667340707. The next prime is 6667340737. The reversal of 6667340723 is 3270437666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6667340723 - 2⁴ = 6667340707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6667340773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333670361 + 3333670362.

It is an arithmetic number, because the mean of its divisors is an integer number (3333670362).

Almost surely, 2^6667340723 is an apocalyptic number.

6667340723 is a deficient number, since it is larger than the sum of its proper divisors (1).

6667340723 is an equidigital number, since it uses as much as digits as its factorization.

6667340723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 44.

The square root of 6667340723 is about 81653.7857236270. The cubic root of 6667340723 is about 1882.1354867539.

The spelling of 6667340723 in words is "six billion, six hundred sixty-seven million, three hundred forty thousand, seven hundred twenty-three".