223022132321 has 2 divisors, whose sum is σ = 223022132322. Its totient is φ = 223022132320.

The previous prime is 223022132317. The next prime is 223022132339. The reversal of 223022132321 is 123231220322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214219939921 + 8802192400 = 462839^2 + 93820^2 .

It is a cyclic number.

It is not a de Polignac number, because 223022132321 - 2² = 223022132317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (223022132351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111511066160 + 111511066161.

It is an arithmetic number, because the mean of its divisors is an integer number (111511066161).

Almost surely, 2^223022132321 is an apocalyptic number.

It is an amenable number.

223022132321 is a deficient number, since it is larger than the sum of its proper divisors (1).

223022132321 is an equidigital number, since it uses as much as digits as its factorization.

223022132321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223022132321 its reverse (123231220322), we get a palindrome (346253352643).

The spelling of 223022132321 in words is "two hundred twenty-three billion, twenty-two million, one hundred thirty-two thousand, three hundred twenty-one".