545433223 has 2 divisors, whose sum is σ = 545433224. Its totient is φ = 545433222.

The previous prime is 545433197. The next prime is 545433233. The reversal of 545433223 is 322334545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545433223 - 2¹³ = 545425031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545433233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272716611 + 272716612.

It is an arithmetic number, because the mean of its divisors is an integer number (272716612).

Almost surely, 2^545433223 is an apocalyptic number.

545433223 is a deficient number, since it is larger than the sum of its proper divisors (1).

545433223 is an equidigital number, since it uses as much as digits as its factorization.

545433223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 31.

The square root of 545433223 is about 23354.5118339048. The cubic root of 545433223 is about 817.0472939218.

Adding to 545433223 its reverse (322334545), we get a palindrome (867767768).

The spelling of 545433223 in words is "five hundred forty-five million, four hundred thirty-three thousand, two hundred twenty-three".