401232223255 has 4 divisors (see below), whose sum is σ = 481478667912. Its totient is φ = 320985778600.

The previous prime is 401232223247. The next prime is 401232223331. The reversal of 401232223255 is 552322232104.

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

It is not a de Polignac number, because 401232223255 - 2³ = 401232223247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40123222321 + ... + 40123222330.

It is an arithmetic number, because the mean of its divisors is an integer number (120369666978).

Almost surely, 2^401232223255 is an apocalyptic number.

401232223255 is a deficient number, since it is larger than the sum of its proper divisors (80246444657).

401232223255 is an equidigital number, since it uses as much as digits as its factorization.

401232223255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80246444656.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 401232223255 its reverse (552322232104), we get a palindrome (953554455359).

The spelling of 401232223255 in words is "four hundred one billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred fifty-five".