117854710423 has 4 divisors (see below), whose sum is σ = 118070167480. Its totient is φ = 117639253368.

The previous prime is 117854710387. The next prime is 117854710427. The reversal of 117854710423 is 324017458711.

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 117854710423 - 2³³ = 109264775831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117854710423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117854710427) 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, 107727708 + ... + 107728801.

It is an arithmetic number, because the mean of its divisors is an integer number (29517541870).

Almost surely, 2^117854710423 is an apocalyptic number.

117854710423 is a deficient number, since it is larger than the sum of its proper divisors (215457057).

117854710423 is an equidigital number, since it uses as much as digits as its factorization.

117854710423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215457056.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 117854710423 in words is "one hundred seventeen billion, eight hundred fifty-four million, seven hundred ten thousand, four hundred twenty-three".