42103113523 has 8 divisors (see below), whose sum is σ = 42202850000. Its totient is φ = 42003439488.

The previous prime is 42103113497. The next prime is 42103113527. The reversal of 42103113523 is 32531130124.

It is a happy number.

42103113523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42103113523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42103113527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507615 + ... + 1535287.

It is an arithmetic number, because the mean of its divisors is an integer number (5275356250).

Almost surely, 2^42103113523 is an apocalyptic number.

42103113523 is a deficient number, since it is larger than the sum of its proper divisors (99736477).

42103113523 is a wasteful number, since it uses less digits than its factorization.

42103113523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31221.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 42103113523 its reverse (32531130124), we get a palindrome (74634243647).

The spelling of 42103113523 in words is "forty-two billion, one hundred three million, one hundred thirteen thousand, five hundred twenty-three".