16433412223 has 4 divisors (see below), whose sum is σ = 17000081640. Its totient is φ = 15866742808.

The previous prime is 16433412199. The next prime is 16433412241. The reversal of 16433412223 is 32221433461.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16433412223 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 (16433412293) 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, 283334665 + ... + 283334722.

It is an arithmetic number, because the mean of its divisors is an integer number (4250020410).

Almost surely, 2^16433412223 is an apocalyptic number.

16433412223 is a deficient number, since it is larger than the sum of its proper divisors (566669417).

16433412223 is an equidigital number, since it uses as much as digits as its factorization.

16433412223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566669416.

The product of its digits is 20736, while the sum is 31.

Adding to 16433412223 its reverse (32221433461), we get a palindrome (48654845684).

The spelling of 16433412223 in words is "sixteen billion, four hundred thirty-three million, four hundred twelve thousand, two hundred twenty-three".