118323609 has 8 divisors (see below), whose sum is σ = 158558400. Its totient is φ = 78485616.

The previous prime is 118323589. The next prime is 118323641. The reversal of 118323609 is 906323811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118323609 - 2⁷ = 118323481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118323609.

It is not an unprimeable number, because it can be changed into a prime (118323649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98502 + ... + 99695.

It is an arithmetic number, because the mean of its divisors is an integer number (19819800).

Almost surely, 2^118323609 is an apocalyptic number.

It is an amenable number.

118323609 is a deficient number, since it is larger than the sum of its proper divisors (40234791).

118323609 is a wasteful number, since it uses less digits than its factorization.

118323609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198399.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 118323609 is about 10877.6656043473. The cubic root of 118323609 is about 490.9347822725.

The spelling of 118323609 in words is "one hundred eighteen million, three hundred twenty-three thousand, six hundred nine".