117311123 has 2 divisors, whose sum is σ = 117311124. Its totient is φ = 117311122.

The previous prime is 117311093. The next prime is 117311137. The reversal of 117311123 is 321113711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117311123 - 2⁶ = 117311059 is a prime.

It is a super-2 number, since 2×117311123² = 27523799159042258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117311095 and 117311104.

It is not a weakly prime, because it can be changed into another prime (117311153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58655561 + 58655562.

It is an arithmetic number, because the mean of its divisors is an integer number (58655562).

Almost surely, 2^117311123 is an apocalyptic number.

117311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

117311123 is an equidigital number, since it uses as much as digits as its factorization.

117311123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126, while the sum is 20.

The square root of 117311123 is about 10831.0259440184. The cubic root of 117311123 is about 489.5304720707.

Adding to 117311123 its reverse (321113711), we get a palindrome (438424834).

The spelling of 117311123 in words is "one hundred seventeen million, three hundred eleven thousand, one hundred twenty-three".