4131420123 has 4 divisors (see below), whose sum is σ = 5508560168. Its totient is φ = 2754280080.

The previous prime is 4131420077. The next prime is 4131420187. The reversal of 4131420123 is 3210241314.

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

It is not a de Polignac number, because 4131420123 - 2¹⁰ = 4131419099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4131420123.

It is not an unprimeable number, because it can be changed into a prime (4131420193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688570018 + ... + 688570023.

It is an arithmetic number, because the mean of its divisors is an integer number (1377140042).

Almost surely, 2^4131420123 is an apocalyptic number.

4131420123 is a deficient number, since it is larger than the sum of its proper divisors (1377140045).

4131420123 is a wasteful number, since it uses less digits than its factorization.

4131420123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377140044.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4131420123 is about 64276.1240508480. The cubic root of 4131420123 is about 1604.5987646210.

Adding to 4131420123 its reverse (3210241314), we get a palindrome (7341661437).

The spelling of 4131420123 in words is "four billion, one hundred thirty-one million, four hundred twenty thousand, one hundred twenty-three".