117317123 has 36 divisors (see below), whose sum is σ = 153560736. Its totient is φ = 89258400.

The previous prime is 117317117. The next prime is 117317129. The reversal of 117317123 is 321713711.

It is an interprime number because it is at equal distance from previous prime (117317117) and next prime (117317129).

It is not a de Polignac number, because 117317123 - 2²⁰ = 116268547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117317092 and 117317101.

It is not an unprimeable number, because it can be changed into a prime (117317129) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 278453 + ... + 278873.

It is an arithmetic number, because the mean of its divisors is an integer number (4265576).

Almost surely, 2^117317123 is an apocalyptic number.

117317123 is a deficient number, since it is larger than the sum of its proper divisors (36243613).

117317123 is a wasteful number, since it uses less digits than its factorization.

117317123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 486 counting only the distinct ones).

The product of its digits is 882, while the sum is 26.

The square root of 117317123 is about 10831.3029225481. The cubic root of 117317123 is about 489.5388177776.

The spelling of 117317123 in words is "one hundred seventeen million, three hundred seventeen thousand, one hundred twenty-three".