1000123320404 has 12 divisors (see below), whose sum is σ = 1884847796244. Its totient is φ = 461595378624.

The previous prime is 1000123320373. The next prime is 1000123320433. The reversal of 1000123320404 is 4040233210001.

It can be written as a sum of positive squares in 2 ways, for example, as 650248704400 + 349874616004 = 806380^2 + 591502^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 9616570337 + ... + 9616570440.

It is an arithmetic number, because the mean of its divisors is an integer number (157070649687).

Almost surely, 2^{1000123320404} is an apocalyptic number.

It is an amenable number.

1000123320404 is a deficient number, since it is larger than the sum of its proper divisors (884724475840).

1000123320404 is a wasteful number, since it uses less digits than its factorization.

1000123320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19233140794 (or 19233140792 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1000123320404 its reverse (4040233210001), we get a palindrome (5040356530405).

The spelling of 1000123320404 in words is "one trillion, one hundred twenty-three million, three hundred twenty thousand, four hundred four".