42123404203 has 8 divisors (see below), whose sum is σ = 42648841872. Its totient is φ = 41599827456.

The previous prime is 42123404143. The next prime is 42123404209. The reversal of 42123404203 is 30240432124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42123404203 - 2¹³ = 42123396011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42123404209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419650 + ... + 510247.

It is an arithmetic number, because the mean of its divisors is an integer number (5331105234).

Almost surely, 2^42123404203 is an apocalyptic number.

42123404203 is a deficient number, since it is larger than the sum of its proper divisors (525437669).

42123404203 is an equidigital number, since it uses as much as digits as its factorization.

42123404203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930461.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42123404203 its reverse (30240432124), we get a palindrome (72363836327).

The spelling of 42123404203 in words is "forty-two billion, one hundred twenty-three million, four hundred four thousand, two hundred three".