1223233321 has 4 divisors (see below), whose sum is σ = 1235344644. Its totient is φ = 1211122000.

The previous prime is 1223233303. The next prime is 1223233331. The reversal of 1223233321 is 1233323221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 844541721 + 378691600 = 29061^2 + 19460^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223233321 - 2⁵ = 1223233289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223233292 and 1223233301.

It is not an unprimeable number, because it can be changed into a prime (1223233301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055510 + ... + 6055711.

It is an arithmetic number, because the mean of its divisors is an integer number (308836161).

Almost surely, 2^1223233321 is an apocalyptic number.

It is an amenable number.

1223233321 is a deficient number, since it is larger than the sum of its proper divisors (12111323).

1223233321 is a wasteful number, since it uses less digits than its factorization.

1223233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111322.

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

The square root of 1223233321 is about 34974.7526224275. The cubic root of 1223233321 is about 1069.4728591026.

Adding to 1223233321 its reverse (1233323221), we get a palindrome (2456556542).

The spelling of 1223233321 in words is "one billion, two hundred twenty-three million, two hundred thirty-three thousand, three hundred twenty-one".