200421234303 has 8 divisors (see below), whose sum is σ = 267259641600. Its totient is φ = 133598491608.

The previous prime is 200421234289. The next prime is 200421234331. The reversal of 200421234303 is 303432124002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200421234303 - 2²⁰ = 200420185727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200421234373) 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, 3886263 + ... + 3937496.

It is an arithmetic number, because the mean of its divisors is an integer number (33407455200).

Almost surely, 2^200421234303 is an apocalyptic number.

200421234303 is a deficient number, since it is larger than the sum of its proper divisors (66838407297).

200421234303 is an equidigital number, since it uses as much as digits as its factorization.

200421234303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7832301.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 200421234303 its reverse (303432124002), we get a palindrome (503853358305).

The spelling of 200421234303 in words is "two hundred billion, four hundred twenty-one million, two hundred thirty-four thousand, three hundred three".