255564023 has 8 divisors (see below), whose sum is σ = 300243216. Its totient is φ = 214459200.

The previous prime is 255564011. The next prime is 255564073. The reversal of 255564023 is 320465552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255564023 - 2¹⁶ = 255498487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255564073) 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 7 ways as a sum of consecutive naturals, for example, 893438 + ... + 893723.

It is an arithmetic number, because the mean of its divisors is an integer number (37530402).

Almost surely, 2^255564023 is an apocalyptic number.

255564023 is a deficient number, since it is larger than the sum of its proper divisors (44679193).

255564023 is a wasteful number, since it uses less digits than its factorization.

255564023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787185.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 255564023 is about 15986.3699131479. The cubic root of 255564023 is about 634.5997626654.

The spelling of 255564023 in words is "two hundred fifty-five million, five hundred sixty-four thousand, twenty-three".