1323011112 has 16 divisors (see below), whose sum is σ = 3307527840. Its totient is φ = 441003696.

The previous prime is 1323011093. The next prime is 1323011141. The reversal of 1323011112 is 2111103231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1323011091 and 1323011100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27562708 + ... + 27562755.

It is an arithmetic number, because the mean of its divisors is an integer number (206720490).

Almost surely, 2^1323011112 is an apocalyptic number.

1323011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323011112 is an abundant number, since it is smaller than the sum of its proper divisors (1984516728).

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

1323011112 is a wasteful number, since it uses less digits than its factorization.

1323011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55125472 (or 55125468 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1323011112 is about 36373.2197090112. The cubic root of 1323011112 is about 1097.7947864832.

Adding to 1323011112 its reverse (2111103231), we get a palindrome (3434114343).

It can be divided in two parts, 13230 and 11112, that added together give a palindrome (24342).

The spelling of 1323011112 in words is "one billion, three hundred twenty-three million, eleven thousand, one hundred twelve".