42301003123 has 4 divisors (see below), whose sum is σ = 42301564488. Its totient is φ = 42300441760.

The previous prime is 42301003111. The next prime is 42301003133. The reversal of 42301003123 is 32130010324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42301003123 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 42301003123.

It is not an unprimeable number, because it can be changed into a prime (42301003133) 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, 146161 + ... + 325522.

It is an arithmetic number, because the mean of its divisors is an integer number (10575391122).

Almost surely, 2^42301003123 is an apocalyptic number.

42301003123 is a deficient number, since it is larger than the sum of its proper divisors (561365).

42301003123 is an equidigital number, since it uses as much as digits as its factorization.

42301003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561364.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 42301003123 its reverse (32130010324), we get a palindrome (74431013447).

The spelling of 42301003123 in words is "forty-two billion, three hundred one million, three thousand, one hundred twenty-three".