255043423 has 4 divisors (see below), whose sum is σ = 255250840. Its totient is φ = 254836008.

The previous prime is 255043421. The next prime is 255043427. The reversal of 255043423 is 324340552.

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

It is a cyclic number.

It is not a de Polignac number, because 255043423 - 2¹ = 255043421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255043391 and 255043400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255043421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101853 + ... + 104326.

It is an arithmetic number, because the mean of its divisors is an integer number (63812710).

Almost surely, 2^255043423 is an apocalyptic number.

255043423 is a deficient number, since it is larger than the sum of its proper divisors (207417).

255043423 is a wasteful number, since it uses less digits than its factorization.

255043423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207416.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 255043423 is about 15970.0789916644. The cubic root of 255043423 is about 634.1685631866.

Adding to 255043423 its reverse (324340552), we get a palindrome (579383975).

The spelling of 255043423 in words is "two hundred fifty-five million, forty-three thousand, four hundred twenty-three".