16223343 has 4 divisors (see below), whose sum is σ = 21631128. Its totient is φ = 10815560.

The previous prime is 16223329. The next prime is 16223351. The reversal of 16223343 is 34332261.

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 16223343 - 2⁸ = 16223087 is a prime.

It is a super-4 number, since 4×16223343⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16223393) 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, 2703888 + ... + 2703893.

It is an arithmetic number, because the mean of its divisors is an integer number (5407782).

Almost surely, 2^16223343 is an apocalyptic number.

16223343 is a deficient number, since it is larger than the sum of its proper divisors (5407785).

16223343 is an equidigital number, since it uses as much as digits as its factorization.

16223343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407784.

The product of its digits is 2592, while the sum is 24.

The square root of 16223343 is about 4027.8211231384. The cubic root of 16223343 is about 253.1512736636.

The spelling of 16223343 in words is "sixteen million, two hundred twenty-three thousand, three hundred forty-three".