323115225440255 has 8 divisors (see below), whose sum is σ = 393049753686672. Its totient is φ = 254951191579968.

The previous prime is 323115225440251. The next prime is 323115225440257. The reversal of 323115225440255 is 552044522511323.

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 323115225440255 - 2² = 323115225440251 is a prime.

It is a super-3 number, since 3×323115225440255³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323115225440251) 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, 442623596129 + ... + 442623596858.

It is an arithmetic number, because the mean of its divisors is an integer number (49131219210834).

Almost surely, 2^{323115225440255} is an apocalyptic number.

323115225440255 is a deficient number, since it is larger than the sum of its proper divisors (69934528246417).

323115225440255 is an equidigital number, since it uses as much as digits as its factorization.

323115225440255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885247193065.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 323115225440255 its reverse (552044522511323), we get a palindrome (875159747951578).

The spelling of 323115225440255 in words is "three hundred twenty-three trillion, one hundred fifteen billion, two hundred twenty-five million, four hundred forty thousand, two hundred fifty-five".