1423322420012 has 48 divisors (see below), whose sum is σ = 2725007443200. Its totient is φ = 647573452800.

The previous prime is 1423322419997. The next prime is 1423322420083. The reversal of 1423322420012 is 2100242233241.

It is a super-2 number, since 2×1423322420012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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, 1889462 + ... + 2533122.

It is an arithmetic number, because the mean of its divisors is an integer number (56770988400).

Almost surely, 2^{1423322420012} is an apocalyptic number.

It is an amenable number.

1423322420012 is a deficient number, since it is larger than the sum of its proper divisors (1301685023188).

1423322420012 is a wasteful number, since it uses less digits than its factorization.

1423322420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644762 (or 644760 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1423322420012 its reverse (2100242233241), we get a palindrome (3523564653253).

The spelling of 1423322420012 in words is "one trillion, four hundred twenty-three billion, three hundred twenty-two million, four hundred twenty thousand, twelve".