6720026623 has 2 divisors, whose sum is σ = 6720026624. Its totient is φ = 6720026622.

The previous prime is 6720026597. The next prime is 6720026629. The reversal of 6720026623 is 3266200276.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6720026623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6720026629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360013311 + 3360013312.

It is an arithmetic number, because the mean of its divisors is an integer number (3360013312).

Almost surely, 2^6720026623 is an apocalyptic number.

6720026623 is a deficient number, since it is larger than the sum of its proper divisors (1).

6720026623 is an equidigital number, since it uses as much as digits as its factorization.

6720026623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 6720026623 is about 81975.7685111887. The cubic root of 6720026623 is about 1887.0800841703.

Adding to 6720026623 its reverse (3266200276), we get a palindrome (9986226899).

The spelling of 6720026623 in words is "six billion, seven hundred twenty million, twenty-six thousand, six hundred twenty-three".