255143123 has 16 divisors (see below), whose sum is σ = 283209696. Its totient is φ = 228802560.

The previous prime is 255143111. The next prime is 255143143. The reversal of 255143123 is 321341552.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255143123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255143092 and 255143101.

It is not an unprimeable number, because it can be changed into a prime (255143143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25715 + ... + 34227.

It is an arithmetic number, because the mean of its divisors is an integer number (17700606).

Almost surely, 2^255143123 is an apocalyptic number.

255143123 is a deficient number, since it is larger than the sum of its proper divisors (28066573).

255143123 is a wasteful number, since it uses less digits than its factorization.

255143123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614.

The product of its digits is 3600, while the sum is 26.

The square root of 255143123 is about 15973.2001489996. The cubic root of 255143123 is about 634.2511875074.

Adding to 255143123 its reverse (321341552), we get a palindrome (576484675).

The spelling of 255143123 in words is "two hundred fifty-five million, one hundred forty-three thousand, one hundred twenty-three".