1223328315 has 32 divisors (see below), whose sum is σ = 2208902400. Its totient is φ = 572673920.

The previous prime is 1223328289. The next prime is 1223328329. The reversal of 1223328315 is 5138233221.

It is a happy number.

It is not a de Polignac number, because 1223328315 - 2⁵ = 1223328283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123045 + ... + 132614.

It is an arithmetic number, because the mean of its divisors is an integer number (69028200).

Almost surely, 2^1223328315 is an apocalyptic number.

1223328315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1223328315 is a deficient number, since it is larger than the sum of its proper divisors (985574085).

1223328315 is a wasteful number, since it uses less digits than its factorization.

1223328315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255707.

The product of its digits is 8640, while the sum is 30.

The square root of 1223328315 is about 34976.1106328305. The cubic root of 1223328315 is about 1069.5005428032.

The spelling of 1223328315 in words is "one billion, two hundred twenty-three million, three hundred twenty-eight thousand, three hundred fifteen".