117023518 has 4 divisors (see below), whose sum is σ = 175535280. Its totient is φ = 58511758.

The previous prime is 117023513. The next prime is 117023521. The reversal of 117023518 is 815320711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117023513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29255878 + ... + 29255881.

It is an arithmetic number, because the mean of its divisors is an integer number (43883820).

Almost surely, 2^117023518 is an apocalyptic number.

117023518 is a deficient number, since it is larger than the sum of its proper divisors (58511762).

117023518 is an equidigital number, since it uses as much as digits as its factorization.

117023518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58511761.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 117023518 is about 10817.7408917019. The cubic root of 117023518 is about 489.1300933696.

The spelling of 117023518 in words is "one hundred seventeen million, twenty-three thousand, five hundred eighteen".