16326423 has 6 divisors (see below), whose sum is σ = 23582624. Its totient is φ = 10884276.

The previous prime is 16326419. The next prime is 16326461. The reversal of 16326423 is 32462361.

16326423 is a `hidden beast` number, since 1 + 632 + 6 + 4 + 23 = 666.

It is not a de Polignac number, because 16326423 - 2² = 16326419 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 (16326403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 907015 + ... + 907032.

Almost surely, 2^16326423 is an apocalyptic number.

16326423 is a deficient number, since it is larger than the sum of its proper divisors (7256201).

16326423 is a wasteful number, since it uses less digits than its factorization.

16326423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814053 (or 1814050 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 16326423 is about 4040.5968618510. The cubic root of 16326423 is about 253.6863002684.

Adding to 16326423 its reverse (32462361), we get a palindrome (48788784).

The spelling of 16326423 in words is "sixteen million, three hundred twenty-six thousand, four hundred twenty-three".