420103123 has 8 divisors (see below), whose sum is σ = 459419760. Its totient is φ = 380974080.

The previous prime is 420103121. The next prime is 420103127. The reversal of 420103123 is 321301024.

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 420103123 - 2¹ = 420103121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420103097 and 420103106.

It is not an unprimeable number, because it can be changed into a prime (420103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42190 + ... + 51187.

It is an arithmetic number, because the mean of its divisors is an integer number (57427470).

Almost surely, 2^420103123 is an apocalyptic number.

420103123 is a deficient number, since it is larger than the sum of its proper divisors (39316637).

420103123 is a wasteful number, since it uses less digits than its factorization.

420103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93797.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 420103123 is about 20496.4173210832. The cubic root of 420103123 is about 748.9485253719.

Adding to 420103123 its reverse (321301024), we get a palindrome (741404147).

The spelling of 420103123 in words is "four hundred twenty million, one hundred three thousand, one hundred twenty-three".