16453323 has 12 divisors (see below), whose sum is σ = 23998000. Its totient is φ = 10861776.

The previous prime is 16453321. The next prime is 16453357. The reversal of 16453323 is 32335461.

It is a happy number.

It is not a de Polignac number, because 16453323 - 2¹ = 16453321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16453321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7948 + ... + 9801.

Almost surely, 2^16453323 is an apocalyptic number.

16453323 is a deficient number, since it is larger than the sum of its proper divisors (7544677).

16453323 is a wasteful number, since it uses less digits than its factorization.

16453323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17858 (or 17855 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 16453323 is about 4056.2695916322. The cubic root of 16453323 is about 254.3418784839.

Adding to 16453323 its reverse (32335461), we get a palindrome (48788784).

The spelling of 16453323 in words is "sixteen million, four hundred fifty-three thousand, three hundred twenty-three".