255005361223 has 4 divisors (see below), whose sum is σ = 255727756368. Its totient is φ = 254282966080.

The previous prime is 255005361211. The next prime is 255005361229. The reversal of 255005361223 is 322163500552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255005361223 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 (255005361229) 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, 361197043 + ... + 361197748.

It is an arithmetic number, because the mean of its divisors is an integer number (63931939092).

Almost surely, 2^255005361223 is an apocalyptic number.

255005361223 is a deficient number, since it is larger than the sum of its proper divisors (722395145).

255005361223 is an equidigital number, since it uses as much as digits as its factorization.

255005361223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722395144.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 255005361223 its reverse (322163500552), we get a palindrome (577168861775).

The spelling of 255005361223 in words is "two hundred fifty-five billion, five million, three hundred sixty-one thousand, two hundred twenty-three".