1223360647 has 8 divisors (see below), whose sum is σ = 1305524736. Its totient is φ = 1142330112.

The previous prime is 1223360641. The next prime is 1223360687. The reversal of 1223360647 is 7460633221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223360647 - 2¹⁵ = 1223327879 is a prime.

It is a super-2 number, since 2×1223360647² = 2993222545256517218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223360641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281158 + ... + 285475.

It is an arithmetic number, because the mean of its divisors is an integer number (163190592).

Almost surely, 2^1223360647 is an apocalyptic number.

1223360647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1223360647 is a deficient number, since it is larger than the sum of its proper divisors (82164089).

1223360647 is a wasteful number, since it uses less digits than its factorization.

1223360647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566777.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 1223360647 is about 34976.5728309679. The cubic root of 1223360647 is about 1069.5099648546.

Adding to 1223360647 its reverse (7460633221), we get a palindrome (8683993868).

The spelling of 1223360647 in words is "one billion, two hundred twenty-three million, three hundred sixty thousand, six hundred forty-seven".