1111423312 has 10 divisors (see below), whose sum is σ = 2153382698. Its totient is φ = 555711648.

The previous prime is 1111423307. The next prime is 1111423337. The reversal of 1111423312 is 2133241111.

It can be written as a sum of positive squares in only one way, i.e., 973689616 + 137733696 = 31204^2 + 11736^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1111423312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34731963 + ... + 34731994.

Almost surely, 2^1111423312 is an apocalyptic number.

It is an amenable number.

1111423312 is a deficient number, since it is larger than the sum of its proper divisors (1041959386).

1111423312 is an equidigital number, since it uses as much as digits as its factorization.

1111423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69463965 (or 69463959 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1111423312 is about 33338.0160177537. The cubic root of 1111423312 is about 1035.8411676419.

Adding to 1111423312 its reverse (2133241111), we get a palindrome (3244664423).

The spelling of 1111423312 in words is "one billion, one hundred eleven million, four hundred twenty-three thousand, three hundred twelve".