255542323 has 4 divisors (see below), whose sum is σ = 255853648. Its totient is φ = 255231000.

The previous prime is 255542281. The next prime is 255542341. The reversal of 255542323 is 323245552.

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-255542323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255542363) 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, 154428 + ... + 156073.

It is an arithmetic number, because the mean of its divisors is an integer number (63963412).

Almost surely, 2^255542323 is an apocalyptic number.

255542323 is a deficient number, since it is larger than the sum of its proper divisors (311325).

255542323 is an equidigital number, since it uses as much as digits as its factorization.

255542323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311324.

The product of its digits is 36000, while the sum is 31.

The square root of 255542323 is about 15985.6911955661. The cubic root of 255542323 is about 634.5818008198.

Adding to 255542323 its reverse (323245552), we get a palindrome (578787875).

The spelling of 255542323 in words is "two hundred fifty-five million, five hundred forty-two thousand, three hundred twenty-three".