320223231556141 has 16 divisors (see below), whose sum is σ = 340040991850560. Its totient is φ = 300515686076160.

The previous prime is 320223231556117. The next prime is 320223231556159. The reversal of 320223231556141 is 141655132322023.

It is a cyclic number.

It is not a de Polignac number, because 320223231556141 - 2¹⁵ = 320223231523373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320223231556094 and 320223231556103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320223231356141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10294771 + ... + 27320848.

It is an arithmetic number, because the mean of its divisors is an integer number (21252561990660).

Almost surely, 2^{320223231556141} is an apocalyptic number.

It is an amenable number.

320223231556141 is a deficient number, since it is larger than the sum of its proper divisors (19817760294419).

320223231556141 is a wasteful number, since it uses less digits than its factorization.

320223231556141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37617084.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 320223231556141 its reverse (141655132322023), we get a palindrome (461878363878164).

The spelling of 320223231556141 in words is "three hundred twenty trillion, two hundred twenty-three billion, two hundred thirty-one million, five hundred fifty-six thousand, one hundred forty-one".