320232001336255 has 4 divisors (see below), whose sum is σ = 384278401603512. Its totient is φ = 256185601069000.

The previous prime is 320232001336211. The next prime is 320232001336297. The reversal of 320232001336255 is 552633100232023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 320232001336255 - 2⁴¹ = 318032978080703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32023200133621 + ... + 32023200133630.

It is an arithmetic number, because the mean of its divisors is an integer number (96069600400878).

Almost surely, 2^{320232001336255} is an apocalyptic number.

320232001336255 is a deficient number, since it is larger than the sum of its proper divisors (64046400267257).

320232001336255 is an equidigital number, since it uses as much as digits as its factorization.

320232001336255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64046400267256.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 320232001336255 its reverse (552633100232023), we get a palindrome (872865101568278).

The spelling of 320232001336255 in words is "three hundred twenty trillion, two hundred thirty-two billion, one million, three hundred thirty-six thousand, two hundred fifty-five".