551335123 has 2 divisors, whose sum is σ = 551335124. Its totient is φ = 551335122.

The previous prime is 551335091. The next prime is 551335129. The reversal of 551335123 is 321533155.

551335123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551335123 - 2⁵ = 551335091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551335091 and 551335100.

It is not a weakly prime, because it can be changed into another prime (551335129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275667561 + 275667562.

It is an arithmetic number, because the mean of its divisors is an integer number (275667562).

Almost surely, 2^551335123 is an apocalyptic number.

551335123 is a deficient number, since it is larger than the sum of its proper divisors (1).

551335123 is an equidigital number, since it uses as much as digits as its factorization.

551335123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6750, while the sum is 28.

The square root of 551335123 is about 23480.5264634335. The cubic root of 551335123 is about 819.9837013417.

Adding to 551335123 its reverse (321533155), we get a palindrome (872868278).

The spelling of 551335123 in words is "five hundred fifty-one million, three hundred thirty-five thousand, one hundred twenty-three".