223033321021321 has 16 divisors (see below), whose sum is σ = 236362767258240. Its totient is φ = 210080283118720.

The previous prime is 223033321021279. The next prime is 223033321021337. The reversal of 223033321021321 is 123120123330322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 223033321021321 - 2³¹ = 223031173537673 is a prime.

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 223033321021321.

It is not an unprimeable number, because it can be changed into a prime (223033321421321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20652660 + ... + 29539786.

It is an arithmetic number, because the mean of its divisors is an integer number (14772672953640).

Almost surely, 2^{223033321021321} is an apocalyptic number.

It is an amenable number.

223033321021321 is a deficient number, since it is larger than the sum of its proper divisors (13329446236919).

223033321021321 is a wasteful number, since it uses less digits than its factorization.

223033321021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8908304.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 223033321021321 its reverse (123120123330322), we get a palindrome (346153444351643).

The spelling of 223033321021321 in words is "two hundred twenty-three trillion, thirty-three billion, three hundred twenty-one million, twenty-one thousand, three hundred twenty-one".