1023304340012 has 48 divisors (see below), whose sum is σ = 1874334857472. Its totient is φ = 487916953920.

The previous prime is 1023304340011. The next prime is 1023304340017. The reversal of 1023304340012 is 2100434033201.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1023304340012.

It is not an unprimeable number, because it can be changed into a prime (1023304340011) 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 15 ways as a sum of consecutive naturals, for example, 81917087 + ... + 81929577.

It is an arithmetic number, because the mean of its divisors is an integer number (39048642864).

Almost surely, 2^{1023304340012} is an apocalyptic number.

It is an amenable number.

1023304340012 is a deficient number, since it is larger than the sum of its proper divisors (851030517460).

1023304340012 is a wasteful number, since it uses less digits than its factorization.

1023304340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15158 (or 15156 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1023304340012 its reverse (2100434033201), we get a palindrome (3123738373213).

The spelling of 1023304340012 in words is "one trillion, twenty-three billion, three hundred four million, three hundred forty thousand, twelve".