4551043223 has 4 divisors (see below), whose sum is σ = 4551664728. Its totient is φ = 4550421720.

The previous prime is 4551043219. The next prime is 4551043241. The reversal of 4551043223 is 3223401554.

It is a happy number.

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 4551043223 - 2² = 4551043219 is a prime.

It is a super-3 number, since 3×4551043223³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551093223) 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, 299636 + ... + 314457.

It is an arithmetic number, because the mean of its divisors is an integer number (1137916182).

Almost surely, 2^4551043223 is an apocalyptic number.

4551043223 is a deficient number, since it is larger than the sum of its proper divisors (621505).

4551043223 is an equidigital number, since it uses as much as digits as its factorization.

4551043223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621504.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 4551043223 is about 67461.4202563213. The cubic root of 4551043223 is about 1657.1824297954.

Adding to 4551043223 its reverse (3223401554), we get a palindrome (7774444777).

The spelling of 4551043223 in words is "four billion, five hundred fifty-one million, forty-three thousand, two hundred twenty-three".