420023200103 has 4 divisors (see below), whose sum is σ = 452332677048. Its totient is φ = 387713723160.

The previous prime is 420023200081. The next prime is 420023200109. The reversal of 420023200103 is 301002320024.

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

It is a cyclic number.

It is not a de Polignac number, because 420023200103 - 2⁶ = 420023200039 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 (420023200109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16154738453 + ... + 16154738478.

It is an arithmetic number, because the mean of its divisors is an integer number (113083169262).

Almost surely, 2^420023200103 is an apocalyptic number.

420023200103 is a deficient number, since it is larger than the sum of its proper divisors (32309476945).

420023200103 is a wasteful number, since it uses less digits than its factorization.

420023200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32309476944.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 420023200103 its reverse (301002320024), we get a palindrome (721025520127).

The spelling of 420023200103 in words is "four hundred twenty billion, twenty-three million, two hundred thousand, one hundred three".