320023223054225 has 12 divisors (see below), whose sum is σ = 396834820402800. Its totient is φ = 256014692110800.

The previous prime is 320023223054221. The next prime is 320023223054239. The reversal of 320023223054225 is 522450322320023.

It is not a de Polignac number, because 320023223054225 - 2² = 320023223054221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (320023223054221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95477891 + ... + 98772840.

It is an arithmetic number, because the mean of its divisors is an integer number (33069568366900).

Almost surely, 2^{320023223054225} is an apocalyptic number.

It is an amenable number.

320023223054225 is a deficient number, since it is larger than the sum of its proper divisors (76811597348575).

320023223054225 is a wasteful number, since it uses less digits than its factorization.

320023223054225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194316640 (or 194316635 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 320023223054225 its reverse (522450322320023), we get a palindrome (842473545374248).

The spelling of 320023223054225 in words is "three hundred twenty trillion, twenty-three billion, two hundred twenty-three million, fifty-four thousand, two hundred twenty-five".