187648616723 has 2 divisors, whose sum is σ = 187648616724. Its totient is φ = 187648616722.

The previous prime is 187648616719. The next prime is 187648616747. The reversal of 187648616723 is 327616846781.

It is a happy number.

187648616723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 187648616723 - 2² = 187648616719 is a prime.

It is not a weakly prime, because it can be changed into another prime (187648616713) 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, 93824308361 + 93824308362.

It is an arithmetic number, because the mean of its divisors is an integer number (93824308362).

Almost surely, 2^187648616723 is an apocalyptic number.

187648616723 is a deficient number, since it is larger than the sum of its proper divisors (1).

187648616723 is an equidigital number, since it uses as much as digits as its factorization.

187648616723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 59.

The spelling of 187648616723 in words is "one hundred eighty-seven billion, six hundred forty-eight million, six hundred sixteen thousand, seven hundred twenty-three".