255523143 has 8 divisors (see below), whose sum is σ = 340774000. Its totient is φ = 170310528.

The previous prime is 255523133. The next prime is 255523181. The reversal of 255523143 is 341325552.

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

It is not a de Polignac number, because 255523143 - 2²² = 251328839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255523143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255523133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15183 + ... + 27231.

It is an arithmetic number, because the mean of its divisors is an integer number (42596750).

Almost surely, 2^255523143 is an apocalyptic number.

255523143 is a deficient number, since it is larger than the sum of its proper divisors (85250857).

255523143 is a wasteful number, since it uses less digits than its factorization.

255523143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19121.

The product of its digits is 18000, while the sum is 30.

The square root of 255523143 is about 15985.0912728079. The cubic root of 255523143 is about 634.5659240192.

Adding to 255523143 its reverse (341325552), we get a palindrome (596848695).

The spelling of 255523143 in words is "two hundred fifty-five million, five hundred twenty-three thousand, one hundred forty-three".