16338423 has 32 divisors (see below), whose sum is σ = 24125440. Its totient is φ = 9797760.

The previous prime is 16338403. The next prime is 16338433. The reversal of 16338423 is 32483361.

It is not a de Polignac number, because 16338423 - 2⁸ = 16338167 is a prime.

It is a super-2 number, since 2×16338423² = 533888132253858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16338403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128586 + ... + 128712.

It is an arithmetic number, because the mean of its divisors is an integer number (753920).

Almost surely, 2^16338423 is an apocalyptic number.

16338423 is a deficient number, since it is larger than the sum of its proper divisors (7787017).

16338423 is a wasteful number, since it uses less digits than its factorization.

16338423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247.

The product of its digits is 10368, while the sum is 30.

The square root of 16338423 is about 4042.0815182280. The cubic root of 16338423 is about 253.7484386001.

It can be divided in two parts, 16338 and 423, that added together give a palindrome (16761).

The spelling of 16338423 in words is "sixteen million, three hundred thirty-eight thousand, four hundred twenty-three".