16113523 has 4 divisors (see below), whose sum is σ = 16124320. Its totient is φ = 16102728.

The previous prime is 16113481. The next prime is 16113541. The reversal of 16113523 is 32531161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32531161 = 13 ⋅2502397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16113523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16113494 and 16113503.

It is not an unprimeable number, because it can be changed into a prime (16113563) 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, 2715 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (4031080).

Almost surely, 2^16113523 is an apocalyptic number.

16113523 is a deficient number, since it is larger than the sum of its proper divisors (10797).

16113523 is an equidigital number, since it uses as much as digits as its factorization.

16113523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10796.

The product of its digits is 540, while the sum is 22.

The square root of 16113523 is about 4014.1652930591. The cubic root of 16113523 is about 252.5787644354.

Adding to 16113523 its reverse (32531161), we get a palindrome (48644684).

The spelling of 16113523 in words is "sixteen million, one hundred thirteen thousand, five hundred twenty-three".