117868523 has 2 divisors, whose sum is σ = 117868524. Its totient is φ = 117868522.

The previous prime is 117868511. The next prime is 117868561. The reversal of 117868523 is 325868711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117868523 - 2¹⁴ = 117852139 is a prime.

It is not a weakly prime, because it can be changed into another prime (117868823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58934261 + 58934262.

It is an arithmetic number, because the mean of its divisors is an integer number (58934262).

Almost surely, 2^117868523 is an apocalyptic number.

117868523 is a deficient number, since it is larger than the sum of its proper divisors (1).

117868523 is an equidigital number, since it uses as much as digits as its factorization.

117868523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The square root of 117868523 is about 10856.7270850842. The cubic root of 117868523 is about 490.3045767101.

The spelling of 117868523 in words is "one hundred seventeen million, eight hundred sixty-eight thousand, five hundred twenty-three".