118323811 has 4 divisors (see below), whose sum is σ = 124551400. Its totient is φ = 112096224.

The previous prime is 118323797. The next prime is 118323839.

118323811 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118323811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118323811.

It is not an unprimeable number, because it can be changed into a prime (118323871) 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, 3113766 + ... + 3113803.

It is an arithmetic number, because the mean of its divisors is an integer number (31137850).

Almost surely, 2^118323811 is an apocalyptic number.

118323811 is a deficient number, since it is larger than the sum of its proper divisors (6227589).

118323811 is an equidigital number, since it uses as much as digits as its factorization.

118323811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227588.

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

The square root of 118323811 is about 10877.6748894238. The cubic root of 118323811 is about 490.9350616441.

The spelling of 118323811 in words is "one hundred eighteen million, three hundred twenty-three thousand, eight hundred eleven".