118423749 has 8 divisors (see below), whose sum is σ = 157987072. Its totient is φ = 78904800.

The previous prime is 118423709. The next prime is 118423769. The reversal of 118423749 is 947324811.

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

It is not a de Polignac number, because 118423749 - 2¹⁷ = 118292677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118423709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4264 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (19748384).

Almost surely, 2^118423749 is an apocalyptic number.

It is an amenable number.

118423749 is a deficient number, since it is larger than the sum of its proper divisors (39563323).

118423749 is a wasteful number, since it uses less digits than its factorization.

118423749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22187.

The product of its digits is 48384, while the sum is 39.

The square root of 118423749 is about 10882.2676405242. The cubic root of 118423749 is about 491.0732396972.

The spelling of 118423749 in words is "one hundred eighteen million, four hundred twenty-three thousand, seven hundred forty-nine".