117181323 has 40 divisors (see below), whose sum is σ = 211840992. Its totient is φ = 63016704.

The previous prime is 117181291. The next prime is 117181369. The reversal of 117181323 is 323181711.

It is a happy number.

It is not a de Polignac number, because 117181323 - 2⁵ = 117181291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (117181523) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3561 + ... + 15717.

Almost surely, 2^117181323 is an apocalyptic number.

117181323 is a deficient number, since it is larger than the sum of its proper divisors (94659669).

117181323 is a wasteful number, since it uses less digits than its factorization.

117181323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12193 (or 12184 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 117181323 is about 10825.0322401367. The cubic root of 117181323 is about 489.3498569017.

It can be divided in two parts, 11718 and 1323, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 117181323 in words is "one hundred seventeen million, one hundred eighty-one thousand, three hundred twenty-three".