1223233312 has 48 divisors (see below), whose sum is σ = 2798953920. Its totient is φ = 515351808.

The previous prime is 1223233303. The next prime is 1223233331. The reversal of 1223233312 is 2133323221.

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, 33063 + ... + 59494.

It is an arithmetic number, because the mean of its divisors is an integer number (58311540).

Almost surely, 2^1223233312 is an apocalyptic number.

It is an amenable number.

1223233312 is an abundant number, since it is smaller than the sum of its proper divisors (1575720608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223233312 is an equidigital number, since it uses as much as digits as its factorization.

1223233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92633 (or 92625 counting only the distinct ones).

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

The square root of 1223233312 is about 34974.7524937633. The cubic root of 1223233312 is about 1069.4728564797.

Adding to 1223233312 its reverse (2133323221), we get a palindrome (3356556533).

The spelling of 1223233312 in words is "one billion, two hundred twenty-three million, two hundred thirty-three thousand, three hundred twelve".