1223305315 has 16 divisors (see below), whose sum is σ = 1519297920. Its totient is φ = 944916480.

The previous prime is 1223305309. The next prime is 1223305327. The reversal of 1223305315 is 5135033221.

It is not a de Polignac number, because 1223305315 - 2¹⁷ = 1223174243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223305315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10875 + ... + 50644.

It is an arithmetic number, because the mean of its divisors is an integer number (94956120).

Almost surely, 2^1223305315 is an apocalyptic number.

1223305315 is a deficient number, since it is larger than the sum of its proper divisors (295992605).

1223305315 is an equidigital number, since it uses as much as digits as its factorization.

1223305315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61662.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1223305315 is about 34975.7818354358. The cubic root of 1223305315 is about 1069.4938401417.

Adding to 1223305315 its reverse (5135033221), we get a palindrome (6358338536).

The spelling of 1223305315 in words is "one billion, two hundred twenty-three million, three hundred five thousand, three hundred fifteen".