117523711 has 4 divisors (see below), whose sum is σ = 117611424. Its totient is φ = 117436000.

The previous prime is 117523667. The next prime is 117523717. The reversal of 117523711 is 117325711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117325711 = 4789 ⋅24499.

It is a cyclic number.

It is not a de Polignac number, because 117523711 - 2⁹ = 117523199 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 117523711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117523717) 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, 41815 + ... + 44536.

It is an arithmetic number, because the mean of its divisors is an integer number (29402856).

Almost surely, 2^117523711 is an apocalyptic number.

117523711 is a deficient number, since it is larger than the sum of its proper divisors (87713).

117523711 is an equidigital number, since it uses as much as digits as its factorization.

117523711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87712.

The product of its digits is 1470, while the sum is 28.

The square root of 117523711 is about 10840.8353460423. The cubic root of 117523711 is about 489.8259981933.

The spelling of 117523711 in words is "one hundred seventeen million, five hundred twenty-three thousand, seven hundred eleven".