117118123 has 2 divisors, whose sum is σ = 117118124. Its totient is φ = 117118122.

The previous prime is 117118081. The next prime is 117118129. The reversal of 117118123 is 321811711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117118123 is a prime.

It is not a weakly prime, because it can be changed into another prime (117118129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58559061 + 58559062.

It is an arithmetic number, because the mean of its divisors is an integer number (58559062).

Almost surely, 2^117118123 is an apocalyptic number.

117118123 is a deficient number, since it is larger than the sum of its proper divisors (1).

117118123 is an equidigital number, since it uses as much as digits as its factorization.

117118123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 25.

The square root of 117118123 is about 10822.1126865321. The cubic root of 117118123 is about 489.2618665638.

Adding to 117118123 its reverse (321811711), we get a palindrome (438929834).

The spelling of 117118123 in words is "one hundred seventeen million, one hundred eighteen thousand, one hundred twenty-three".