551230223 has 4 divisors (see below), whose sum is σ = 580242360. Its totient is φ = 522218088.

The previous prime is 551230187. The next prime is 551230237. The reversal of 551230223 is 322032155.

551230223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 551230223 - 2⁸ = 551229967 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 (551230283) 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, 14506040 + ... + 14506077.

It is an arithmetic number, because the mean of its divisors is an integer number (145060590).

Almost surely, 2^551230223 is an apocalyptic number.

551230223 is a deficient number, since it is larger than the sum of its proper divisors (29012137).

551230223 is a wasteful number, since it uses less digits than its factorization.

551230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29012136.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 551230223 is about 23478.2925912427. The cubic root of 551230223 is about 819.9316931997.

Adding to 551230223 its reverse (322032155), we get a palindrome (873262378).

The spelling of 551230223 in words is "five hundred fifty-one million, two hundred thirty thousand, two hundred twenty-three".