1020423323312 has 40 divisors (see below), whose sum is σ = 2002269465600. Its totient is φ = 503709740352.

The previous prime is 1020423323209. The next prime is 1020423323351. The reversal of 1020423323312 is 2133233240201.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18476123 + ... + 18531269.

It is an arithmetic number, because the mean of its divisors is an integer number (50056736640).

Almost surely, 2^{1020423323312} is an apocalyptic number.

It is an amenable number.

1020423323312 is a deficient number, since it is larger than the sum of its proper divisors (981846142288).

1020423323312 is a wasteful number, since it uses less digits than its factorization.

1020423323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69873 (or 69867 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1020423323312 its reverse (2133233240201), we get a palindrome (3153656563513).

The spelling of 1020423323312 in words is "one trillion, twenty billion, four hundred twenty-three million, three hundred twenty-three thousand, three hundred twelve".