1223302513 has 2 divisors, whose sum is σ = 1223302514. Its totient is φ = 1223302512.

The previous prime is 1223302499. The next prime is 1223302529. The reversal of 1223302513 is 3152033221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100713329 + 122589184 = 33177^2 + 11072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223302513 - 2²¹ = 1221205361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223302543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611651256 + 611651257.

It is an arithmetic number, because the mean of its divisors is an integer number (611651257).

Almost surely, 2^1223302513 is an apocalyptic number.

It is an amenable number.

1223302513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223302513 is an equidigital number, since it uses as much as digits as its factorization.

1223302513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1223302513 is about 34975.7417791246. The cubic root of 1223302513 is about 1069.4930235770.

Adding to 1223302513 its reverse (3152033221), we get a palindrome (4375335734).

The spelling of 1223302513 in words is "one billion, two hundred twenty-three million, three hundred two thousand, five hundred thirteen".