1223000312 has 16 divisors (see below), whose sum is σ = 2327352360. Its totient is φ = 602373024.

The previous prime is 1223000299. The next prime is 1223000329. The reversal of 1223000312 is 2130003221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140323 + ... + 1141394.

Almost surely, 2^1223000312 is an apocalyptic number.

It is an amenable number.

1223000312 is a deficient number, since it is larger than the sum of its proper divisors (1104352048).

1223000312 is a wasteful number, since it uses less digits than its factorization.

1223000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281790 (or 2281786 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1223000312 is about 34971.4213608769. The cubic root of 1223000312 is about 1069.4049482029.

Adding to 1223000312 its reverse (2130003221), we get a palindrome (3353003533).

The spelling of 1223000312 in words is "one billion, two hundred twenty-three million, three hundred twelve", and thus it is an aban number.