623104717 has 2 divisors, whose sum is σ = 623104718. Its totient is φ = 623104716.

The previous prime is 623104697. The next prime is 623104771. The reversal of 623104717 is 717401326.

623104717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (623104771) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 616479241 + 6625476 = 24829^2 + 2574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623104717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623104117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311552358 + 311552359.

It is an arithmetic number, because the mean of its divisors is an integer number (311552359).

Almost surely, 2^623104717 is an apocalyptic number.

It is an amenable number.

623104717 is a deficient number, since it is larger than the sum of its proper divisors (1).

623104717 is an equidigital number, since it uses as much as digits as its factorization.

623104717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 623104717 is about 24962.0655595646. The cubic root of 623104717 is about 854.1228613865.

The spelling of 623104717 in words is "six hundred twenty-three million, one hundred four thousand, seven hundred seventeen".