206104523 has 8 divisors (see below), whose sum is σ = 216360960. Its totient is φ = 196073640.

The previous prime is 206104517. The next prime is 206104559. The reversal of 206104523 is 325401602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206104523 - 2²⁰ = 205055947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206104513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54515 + ... + 58172.

It is an arithmetic number, because the mean of its divisors is an integer number (27045120).

Almost surely, 2^206104523 is an apocalyptic number.

206104523 is a deficient number, since it is larger than the sum of its proper divisors (10256437).

206104523 is a wasteful number, since it uses less digits than its factorization.

206104523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112777.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 206104523 is about 14356.3408638831. The cubic root of 206104523 is about 590.6939292769.

The spelling of 206104523 in words is "two hundred six million, one hundred four thousand, five hundred twenty-three".