320223021441 has 16 divisors (see below), whose sum is σ = 427988043840. Its totient is φ = 212970623040.

The previous prime is 320223021431. The next prime is 320223021451. The reversal of 320223021441 is 144120322023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320223021431) and next prime (320223021451).

It is not a de Polignac number, because 320223021441 - 2⁵ = 320223021409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320223021431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2024730 + ... + 2177148.

It is an arithmetic number, because the mean of its divisors is an integer number (26749252740).

Almost surely, 2^320223021441 is an apocalyptic number.

It is an amenable number.

320223021441 is a deficient number, since it is larger than the sum of its proper divisors (107765022399).

320223021441 is a wasteful number, since it uses less digits than its factorization.

320223021441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154096.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 320223021441 its reverse (144120322023), we get a palindrome (464343343464).

The spelling of 320223021441 in words is "three hundred twenty billion, two hundred twenty-three million, twenty-one thousand, four hundred forty-one".