4120104031523 has 4 divisors (see below), whose sum is σ = 4160897140848. Its totient is φ = 4079310922200.

The previous prime is 4120104031453. The next prime is 4120104031633. The reversal of 4120104031523 is 3251304010214.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4120104031523 - 2¹² = 4120104027427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4120104031492 and 4120104031501.

It is not an unprimeable number, because it can be changed into a prime (4120104031123) by changing a digit.

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, 20396554511 + ... + 20396554712.

It is an arithmetic number, because the mean of its divisors is an integer number (1040224285212).

Almost surely, 2^{4120104031523} is an apocalyptic number.

4120104031523 is a deficient number, since it is larger than the sum of its proper divisors (40793109325).

4120104031523 is a wasteful number, since it uses less digits than its factorization.

4120104031523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40793109324.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 4120104031523 its reverse (3251304010214), we get a palindrome (7371408041737).

The spelling of 4120104031523 in words is "four trillion, one hundred twenty billion, one hundred four million, thirty-one thousand, five hundred twenty-three".