117863423 has 4 divisors (see below), whose sum is σ = 118569360. Its totient is φ = 117157488.

The previous prime is 117863419. The next prime is 117863437. The reversal of 117863423 is 324368711.

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 117863423 - 2² = 117863419 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117863413) 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, 352718 + ... + 353051.

It is an arithmetic number, because the mean of its divisors is an integer number (29642340).

Almost surely, 2^117863423 is an apocalyptic number.

117863423 is a deficient number, since it is larger than the sum of its proper divisors (705937).

117863423 is an equidigital number, since it uses as much as digits as its factorization.

117863423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705936.

The product of its digits is 24192, while the sum is 35.

The square root of 117863423 is about 10856.4922051278. The cubic root of 117863423 is about 490.2975050189.

The spelling of 117863423 in words is "one hundred seventeen million, eight hundred sixty-three thousand, four hundred twenty-three".