16104523 has 4 divisors (see below), whose sum is σ = 16131160. Its totient is φ = 16077888.

The previous prime is 16104521. The next prime is 16104601. The reversal of 16104523 is 32540161.

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 16104523 - 2¹ = 16104521 is a prime.

It is a super-2 number, since 2×16104523² = 518711322115058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16104494 and 16104503.

It is not an unprimeable number, because it can be changed into a prime (16104521) 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, 12390 + ... + 13627.

It is an arithmetic number, because the mean of its divisors is an integer number (4032790).

Almost surely, 2^16104523 is an apocalyptic number.

16104523 is a deficient number, since it is larger than the sum of its proper divisors (26637).

16104523 is an equidigital number, since it uses as much as digits as its factorization.

16104523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26636.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 16104523 is about 4013.0441064110. The cubic root of 16104523 is about 252.5317308096.

Adding to 16104523 its reverse (32540161), we get a palindrome (48644684).

The spelling of 16104523 in words is "sixteen million, one hundred four thousand, five hundred twenty-three".