421424101203 has 16 divisors (see below), whose sum is σ = 652697438976. Its totient is φ = 236866004640.

The previous prime is 421424101183. The next prime is 421424101247. The reversal of 421424101203 is 302101424124.

It is not a de Polignac number, because 421424101203 - 2⁵ = 421424101171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421424101003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164489001 + ... + 164491562.

It is an arithmetic number, because the mean of its divisors is an integer number (40793589936).

Almost surely, 2^421424101203 is an apocalyptic number.

421424101203 is a deficient number, since it is larger than the sum of its proper divisors (231273337773).

421424101203 is a wasteful number, since it uses less digits than its factorization.

421424101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328980634.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 421424101203 its reverse (302101424124), we get a palindrome (723525525327).

The spelling of 421424101203 in words is "four hundred twenty-one billion, four hundred twenty-four million, one hundred one thousand, two hundred three".