255105223 has 2 divisors, whose sum is σ = 255105224. Its totient is φ = 255105222.

The previous prime is 255105209. The next prime is 255105307. The reversal of 255105223 is 322501552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255105223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255105023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127552611 + 127552612.

It is an arithmetic number, because the mean of its divisors is an integer number (127552612).

Almost surely, 2^255105223 is an apocalyptic number.

255105223 is a deficient number, since it is larger than the sum of its proper divisors (1).

255105223 is an equidigital number, since it uses as much as digits as its factorization.

255105223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 255105223 is about 15972.0137427940. The cubic root of 255105223 is about 634.2197811996.

Adding to 255105223 its reverse (322501552), we get a palindrome (577606775).

The spelling of 255105223 in words is "two hundred fifty-five million, one hundred five thousand, two hundred twenty-three".