916768123 has 2 divisors, whose sum is σ = 916768124. Its totient is φ = 916768122.

The previous prime is 916768067. The next prime is 916768133. The reversal of 916768123 is 321867619.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 916768123 - 2²¹ = 914670971 is a prime.

It is a super-3 number, since 3×916768123³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 916768123.

It is not a weakly prime, because it can be changed into another prime (916768133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458384061 + 458384062.

It is an arithmetic number, because the mean of its divisors is an integer number (458384062).

Almost surely, 2^916768123 is an apocalyptic number.

916768123 is a deficient number, since it is larger than the sum of its proper divisors (1).

916768123 is an equidigital number, since it uses as much as digits as its factorization.

916768123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 916768123 is about 30278.1789908178. The cubic root of 916768123 is about 971.4486177576.

It can be divided in two parts, 91676 and 8123, that added together give a palindrome (99799).

The spelling of 916768123 in words is "nine hundred sixteen million, seven hundred sixty-eight thousand, one hundred twenty-three".