420123103 has 8 divisors (see below), whose sum is σ = 433917648. Its totient is φ = 406545984.

The previous prime is 420123101. The next prime is 420123113. The reversal of 420123103 is 301321024.

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 420123103 - 2¹ = 420123101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420123101) 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, 50425 + ... + 58162.

It is an arithmetic number, because the mean of its divisors is an integer number (54239706).

Almost surely, 2^420123103 is an apocalyptic number.

420123103 is a deficient number, since it is larger than the sum of its proper divisors (13794545).

420123103 is a wasteful number, since it uses less digits than its factorization.

420123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108713.

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

The square root of 420123103 is about 20496.9047175421. The cubic root of 420123103 is about 748.9603984521.

Adding to 420123103 its reverse (301321024), we get a palindrome (721444127).

The spelling of 420123103 in words is "four hundred twenty million, one hundred twenty-three thousand, one hundred three".