320232321121231 has 8 divisors (see below), whose sum is σ = 328046124133728. Its totient is φ = 312418673280000.

The previous prime is 320232321121177. The next prime is 320232321121253. The reversal of 320232321121231 is 132121123232023.

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 320232321121231 - 2¹³ = 320232321113039 is a prime.

It is a super-2 number, since 2×320232321121231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320232321121231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320232321121631) 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, 34609555 + ... + 42875236.

It is an arithmetic number, because the mean of its divisors is an integer number (41005765516716).

Almost surely, 2^{320232321121231} is an apocalyptic number.

320232321121231 is a deficient number, since it is larger than the sum of its proper divisors (7813803012497).

320232321121231 is a wasteful number, since it uses less digits than its factorization.

320232321121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77585633.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 320232321121231 its reverse (132121123232023), we get a palindrome (452353444353254).

The spelling of 320232321121231 in words is "three hundred twenty trillion, two hundred thirty-two billion, three hundred twenty-one million, one hundred twenty-one thousand, two hundred thirty-one".