1223032312 has 32 divisors (see below), whose sum is σ = 2379452400. Its totient is φ = 588639744.

The previous prime is 1223032301. The next prime is 1223032333. The reversal of 1223032312 is 2132303221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223032312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70363 + ... + 86005.

Almost surely, 2^1223032312 is an apocalyptic number.

It is an amenable number.

1223032312 is a deficient number, since it is larger than the sum of its proper divisors (1156420088).

1223032312 is a wasteful number, since it uses less digits than its factorization.

1223032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16015 (or 16011 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1223032312 is about 34971.8788743184. The cubic root of 1223032312 is about 1069.4142751724.

Adding to 1223032312 its reverse (2132303221), we get a palindrome (3355335533).

The spelling of 1223032312 in words is "one billion, two hundred twenty-three million, thirty-two thousand, three hundred twelve".