16089623 has 4 divisors (see below), whose sum is σ = 17552328. Its totient is φ = 14626920.

The previous prime is 16089617. The next prime is 16089631. The reversal of 16089623 is 32698061.

16089623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32698061 = 11 ⋅2972551.

It is not a de Polignac number, because 16089623 - 2⁴ = 16089607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16089653) 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, 731336 + ... + 731357.

It is an arithmetic number, because the mean of its divisors is an integer number (4388082).

Almost surely, 2^16089623 is an apocalyptic number.

16089623 is a deficient number, since it is larger than the sum of its proper divisors (1462705).

16089623 is a wasteful number, since it uses less digits than its factorization.

16089623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462704.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 16089623 is about 4011.1872307336. The cubic root of 16089623 is about 252.4538254945.

The spelling of 16089623 in words is "sixteen million, eighty-nine thousand, six hundred twenty-three".