117830453 has 4 divisors (see below), whose sum is σ = 126894348. Its totient is φ = 108766560.

The previous prime is 117830441. The next prime is 117830491. The reversal of 117830453 is 354038711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74770609 + 43059844 = 8647^2 + 6562^2 .

It is a cyclic number.

It is not a de Polignac number, because 117830453 - 2⁴ = 117830437 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 (117830753) 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, 4531928 + ... + 4531953.

It is an arithmetic number, because the mean of its divisors is an integer number (31723587).

Almost surely, 2^117830453 is an apocalyptic number.

117830453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

117830453 is a deficient number, since it is larger than the sum of its proper divisors (9063895).

117830453 is an equidigital number, since it uses as much as digits as its factorization.

117830453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9063894.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 117830453 is about 10854.9736526626. The cubic root of 117830453 is about 490.2517836920.

The spelling of 117830453 in words is "one hundred seventeen million, eight hundred thirty thousand, four hundred fifty-three".