1323310023012 has 24 divisors (see below), whose sum is σ = 3250235144800. Its totient is φ = 417887375616.

The previous prime is 1323310023011. The next prime is 1323310023059. The reversal of 1323310023012 is 2103200133231.

It is a super-2 number, since 2×1323310023012² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1323310023012.

It is not an unprimeable number, because it can be changed into a prime (1323310023011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2901995437 + ... + 2901995892.

Almost surely, 2^{1323310023012} is an apocalyptic number.

1323310023012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323310023012 is an abundant number, since it is smaller than the sum of its proper divisors (1926925121788).

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

1323310023012 is a wasteful number, since it uses less digits than its factorization.

1323310023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803991355 (or 5803991353 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1323310023012 its reverse (2103200133231), we get a palindrome (3426510156243).

The spelling of 1323310023012 in words is "one trillion, three hundred twenty-three billion, three hundred ten million, twenty-three thousand, twelve".