117315623 has 4 divisors (see below), whose sum is σ = 124216560. Its totient is φ = 110414688.

The previous prime is 117315613. The next prime is 117315631. The reversal of 117315623 is 326513711.

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

It is a cyclic number.

It is not a de Polignac number, because 117315623 - 2¹⁴ = 117299239 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 (117315613) 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, 3450443 + ... + 3450476.

It is an arithmetic number, because the mean of its divisors is an integer number (31054140).

Almost surely, 2^117315623 is an apocalyptic number.

117315623 is a deficient number, since it is larger than the sum of its proper divisors (6900937).

117315623 is an equidigital number, since it uses as much as digits as its factorization.

117315623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900936.

The product of its digits is 3780, while the sum is 29.

The square root of 117315623 is about 10831.2336785797. The cubic root of 117315623 is about 489.5367313775.

The spelling of 117315623 in words is "one hundred seventeen million, three hundred fifteen thousand, six hundred twenty-three".