421003314203 has 4 divisors (see below), whose sum is σ = 421005172848. Its totient is φ = 421001455560.

The previous prime is 421003314133. The next prime is 421003314247. The reversal of 421003314203 is 302413300124.

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 421003314203 - 2²⁰ = 421002265627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421003314253) 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, 533303 + ... + 1061328.

It is an arithmetic number, because the mean of its divisors is an integer number (105251293212).

Almost surely, 2^421003314203 is an apocalyptic number.

421003314203 is a deficient number, since it is larger than the sum of its proper divisors (1858645).

421003314203 is a wasteful number, since it uses less digits than its factorization.

421003314203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858644.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 421003314203 its reverse (302413300124), we get a palindrome (723416614327).

The spelling of 421003314203 in words is "four hundred twenty-one billion, three million, three hundred fourteen thousand, two hundred three".