118181323 has 4 divisors (see below), whose sum is σ = 127272208. Its totient is φ = 109090440.

The previous prime is 118181321. The next prime is 118181333. The reversal of 118181323 is 323181811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118181323 - 2¹ = 118181321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118181291 and 118181300.

It is not an unprimeable number, because it can be changed into a prime (118181321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545423 + ... + 4545448.

It is an arithmetic number, because the mean of its divisors is an integer number (31818052).

Almost surely, 2^118181323 is an apocalyptic number.

118181323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

118181323 is a deficient number, since it is larger than the sum of its proper divisors (9090885).

118181323 is an equidigital number, since it uses as much as digits as its factorization.

118181323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090884.

The product of its digits is 1152, while the sum is 28.

The square root of 118181323 is about 10871.1233550172. The cubic root of 118181323 is about 490.7379177426.

The spelling of 118181323 in words is "one hundred eighteen million, one hundred eighty-one thousand, three hundred twenty-three".