223321301449 has 2 divisors, whose sum is σ = 223321301450. Its totient is φ = 223321301448.

The previous prime is 223321301417. The next prime is 223321301461. The reversal of 223321301449 is 944103123322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118306417849 + 105014883600 = 343957^2 + 324060^2 .

It is a cyclic number.

It is not a de Polignac number, because 223321301449 - 2⁵ = 223321301417 is a prime.

It is not a weakly prime, because it can be changed into another prime (223321301479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111660650724 + 111660650725.

It is an arithmetic number, because the mean of its divisors is an integer number (111660650725).

Almost surely, 2^223321301449 is an apocalyptic number.

It is an amenable number.

223321301449 is a deficient number, since it is larger than the sum of its proper divisors (1).

223321301449 is an equidigital number, since it uses as much as digits as its factorization.

223321301449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 223321301449 in words is "two hundred twenty-three billion, three hundred twenty-one million, three hundred one thousand, four hundred forty-nine".