1303221223 has 2 divisors, whose sum is σ = 1303221224. Its totient is φ = 1303221222.

The previous prime is 1303221211. The next prime is 1303221247. The reversal of 1303221223 is 3221223031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303221223 - 2¹³ = 1303213031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303221223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303201223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651610611 + 651610612.

It is an arithmetic number, because the mean of its divisors is an integer number (651610612).

Almost surely, 2^1303221223 is an apocalyptic number.

1303221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303221223 is an equidigital number, since it uses as much as digits as its factorization.

1303221223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1303221223 is about 36100.1554428786. The cubic root of 1303221223 is about 1092.2935805240.

Adding to 1303221223 its reverse (3221223031), we get a palindrome (4524444254).

The spelling of 1303221223 in words is "one billion, three hundred three million, two hundred twenty-one thousand, two hundred twenty-three".