10423404321111 has 16 divisors (see below), whose sum is σ = 15583750943200. Its totient is φ = 6885184503744.

The previous prime is 10423404321089. The next prime is 10423404321191. The reversal of 10423404321111 is 11112340432401.

It is a happy number.

10423404321111 is a `hidden beast` number, since 1 + 0 + 42 + 3 + 404 + 3 + 211 + 1 + 1 = 666.

It is not a de Polignac number, because 10423404321111 - 2⁹ = 10423404320599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423404321191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1770877846 + ... + 1770883731.

It is an arithmetic number, because the mean of its divisors is an integer number (973984433950).

Almost surely, 2^{10423404321111} is an apocalyptic number.

10423404321111 is a deficient number, since it is larger than the sum of its proper divisors (5160346622089).

10423404321111 is a wasteful number, since it uses less digits than its factorization.

10423404321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541761695 (or 3541761689 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 10423404321111 its reverse (11112340432401), we get a palindrome (21535744753512).

The spelling of 10423404321111 in words is "ten trillion, four hundred twenty-three billion, four hundred four million, three hundred twenty-one thousand, one hundred eleven".