16342223 has 4 divisors (see below), whose sum is σ = 17202360. Its totient is φ = 15482088.

The previous prime is 16342199. The next prime is 16342237. The reversal of 16342223 is 32224361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16342223 - 2¹⁴ = 16325839 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16342273) 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, 430040 + ... + 430077.

It is an arithmetic number, because the mean of its divisors is an integer number (4300590).

Almost surely, 2^16342223 is an apocalyptic number.

16342223 is a deficient number, since it is larger than the sum of its proper divisors (860137).

16342223 is an equidigital number, since it uses as much as digits as its factorization.

16342223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860136.

The product of its digits is 1728, while the sum is 23.

The square root of 16342223 is about 4042.5515457443. The cubic root of 16342223 is about 253.7681093953.

Adding to 16342223 its reverse (32224361), we get a palindrome (48566584).

The spelling of 16342223 in words is "sixteen million, three hundred forty-two thousand, two hundred twenty-three".