108218523 has 16 divisors (see below), whose sum is σ = 165351680. Its totient is φ = 61671456.

The previous prime is 108218521. The next prime is 108218531. The reversal of 108218523 is 325812801.

It is not a de Polignac number, because 108218523 - 2¹ = 108218521 is a prime.

It is a super-2 number, since 2×108218523² = 23422497440603058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108218521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161 + ... + 14757.

It is an arithmetic number, because the mean of its divisors is an integer number (10334480).

Almost surely, 2^108218523 is an apocalyptic number.

108218523 is a deficient number, since it is larger than the sum of its proper divisors (57133157).

108218523 is a wasteful number, since it uses less digits than its factorization.

108218523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13986.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 108218523 is about 10402.8132252771. The cubic root of 108218523 is about 476.5412877625.

The spelling of 108218523 in words is "one hundred eight million, two hundred eighteen thousand, five hundred twenty-three".