1223403313 has 8 divisors (see below), whose sum is σ = 1377674496. Its totient is φ = 1076307600.

The previous prime is 1223403301. The next prime is 1223403329. The reversal of 1223403313 is 3133043221.

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

It is not a de Polignac number, because 1223403313 - 2¹⁷ = 1223272241 is a prime.

It is a super-3 number, since 3×1223403313³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223403613) 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, 1793506 + ... + 1794187.

It is an arithmetic number, because the mean of its divisors is an integer number (172209312).

Almost surely, 2^1223403313 is an apocalyptic number.

It is an amenable number.

1223403313 is a deficient number, since it is larger than the sum of its proper divisors (154271183).

1223403313 is a wasteful number, since it uses less digits than its factorization.

1223403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587735.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1223403313 is about 34977.1827481860. The cubic root of 1223403313 is about 1069.5223981415.

Adding to 1223403313 its reverse (3133043221), we get a palindrome (4356446534).

The spelling of 1223403313 in words is "one billion, two hundred twenty-three million, four hundred three thousand, three hundred thirteen".