1233213305 has 8 divisors (see below), whose sum is σ = 1498588800. Its totient is φ = 974082096.

The previous prime is 1233213299. The next prime is 1233213329. The reversal of 1233213305 is 5033123321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233213305 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560635 + ... + 1561424.

It is an arithmetic number, because the mean of its divisors is an integer number (187323600).

Almost surely, 2^1233213305 is an apocalyptic number.

It is an amenable number.

1233213305 is a deficient number, since it is larger than the sum of its proper divisors (265375495).

1233213305 is an equidigital number, since it uses as much as digits as its factorization.

1233213305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122143.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1233213305 is about 35117.1369134786. The cubic root of 1233213305 is about 1072.3734848220.

Adding to 1233213305 its reverse (5033123321), we get a palindrome (6266336626).

The spelling of 1233213305 in words is "one billion, two hundred thirty-three million, two hundred thirteen thousand, three hundred five".