16323623 has 4 divisors (see below), whose sum is σ = 16764840. Its totient is φ = 15882408.

The previous prime is 16323613. The next prime is 16323631. The reversal of 16323623 is 32632361.

16323623 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: 32632361 = 3623 ⋅9007.

It is a cyclic number.

It is not a de Polignac number, because 16323623 - 2⁸ = 16323367 is a prime.

It is a super-2 number, since 2×16323623² = 532921335692258, 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 = 16323592 and 16323601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16323613) 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, 220553 + ... + 220626.

It is an arithmetic number, because the mean of its divisors is an integer number (4191210).

Almost surely, 2^16323623 is an apocalyptic number.

16323623 is a deficient number, since it is larger than the sum of its proper divisors (441217).

16323623 is an equidigital number, since it uses as much as digits as its factorization.

16323623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441216.

The product of its digits is 3888, while the sum is 26.

The square root of 16323623 is about 4040.2503635295. The cubic root of 16323623 is about 253.6717969435.

Adding to 16323623 its reverse (32632361), we get a palindrome (48955984).

The spelling of 16323623 in words is "sixteen million, three hundred twenty-three thousand, six hundred twenty-three".