223021301249 has 2 divisors, whose sum is σ = 223021301250. Its totient is φ = 223021301248.

The previous prime is 223021301219. The next prime is 223021301297. The reversal of 223021301249 is 942103120322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206129620225 + 16891681024 = 454015^2 + 129968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223021301249 is a prime.

It is not a weakly prime, because it can be changed into another prime (223021301219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510650624 + 111510650625.

It is an arithmetic number, because the mean of its divisors is an integer number (111510650625).

Almost surely, 2^223021301249 is an apocalyptic number.

It is an amenable number.

223021301249 is a deficient number, since it is larger than the sum of its proper divisors (1).

223021301249 is an equidigital number, since it uses as much as digits as its factorization.

223021301249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 223021301249 in words is "two hundred twenty-three billion, twenty-one million, three hundred one thousand, two hundred forty-nine".