551234223 has 6 divisors (see below), whose sum is σ = 796227224. Its totient is φ = 367489476.

The previous prime is 551234209. The next prime is 551234237. The reversal of 551234223 is 322432155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (551234209) and next prime (551234237).

It is not a de Polignac number, because 551234223 - 2⁸ = 551233967 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 (551234263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30624115 + ... + 30624132.

Almost surely, 2^551234223 is an apocalyptic number.

551234223 is a deficient number, since it is larger than the sum of its proper divisors (244993001).

551234223 is a wasteful number, since it uses less digits than its factorization.

551234223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61248253 (or 61248250 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 551234223 is about 23478.3777761582. The cubic root of 551234223 is about 819.9336764720.

Adding to 551234223 its reverse (322432155), we get a palindrome (873666378).

The spelling of 551234223 in words is "five hundred fifty-one million, two hundred thirty-four thousand, two hundred twenty-three".