118454823 has 12 divisors (see below), whose sum is σ = 171236208. Its totient is φ = 78907680.

The previous prime is 118454803. The next prime is 118454867. The reversal of 118454823 is 328454811.

118454823 is a `hidden beast` number, since 11 + 84 + 548 + 23 = 666.

It is not a de Polignac number, because 118454823 - 2¹⁰ = 118453799 is a prime.

It is a super-2 number, since 2×118454823² = 28063090183922658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118454803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8886 + ... + 17772.

It is an arithmetic number, because the mean of its divisors is an integer number (14269684).

Almost surely, 2^118454823 is an apocalyptic number.

118454823 is a deficient number, since it is larger than the sum of its proper divisors (52781385).

118454823 is a wasteful number, since it uses less digits than its factorization.

118454823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10374 (or 10371 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 118454823 is about 10883.6952823938. The cubic root of 118454823 is about 491.1161879389.

The spelling of 118454823 in words is "one hundred eighteen million, four hundred fifty-four thousand, eight hundred twenty-three".