119863823117 has 2 divisors, whose sum is σ = 119863823118. Its totient is φ = 119863823116.

The previous prime is 119863823113. The next prime is 119863823197. The reversal of 119863823117 is 711328368911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117334336681 + 2529486436 = 342541^2 + 50294^2 .

It is a cyclic number.

It is not a de Polignac number, because 119863823117 - 2² = 119863823113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119863823113) 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, 59931911558 + 59931911559.

It is an arithmetic number, because the mean of its divisors is an integer number (59931911559).

Almost surely, 2^119863823117 is an apocalyptic number.

It is an amenable number.

119863823117 is a deficient number, since it is larger than the sum of its proper divisors (1).

119863823117 is an equidigital number, since it uses as much as digits as its factorization.

119863823117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 50.

The spelling of 119863823117 in words is "one hundred nineteen billion, eight hundred sixty-three million, eight hundred twenty-three thousand, one hundred seventeen".