117824543 has 4 divisors (see below), whose sum is σ = 117901680. Its totient is φ = 117747408.

The previous prime is 117824533. The next prime is 117824549. The reversal of 117824543 is 345428711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345428711 = 503 ⋅686737.

It is a cyclic number.

It is not a de Polignac number, because 117824543 - 2¹² = 117820447 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 (117824549) 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, 36230 + ... + 39347.

It is an arithmetic number, because the mean of its divisors is an integer number (29475420).

Almost surely, 2^117824543 is an apocalyptic number.

117824543 is a deficient number, since it is larger than the sum of its proper divisors (77137).

117824543 is an equidigital number, since it uses as much as digits as its factorization.

117824543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77136.

The product of its digits is 26880, while the sum is 35.

The square root of 117824543 is about 10854.7014238071. The cubic root of 117824543 is about 490.2435870659.

The spelling of 117824543 in words is "one hundred seventeen million, eight hundred twenty-four thousand, five hundred forty-three".