202313043421 has 8 divisors (see below), whose sum is σ = 205822723680. Its totient is φ = 198817777488.

The previous prime is 202313043379. The next prime is 202313043431. The reversal of 202313043421 is 124340313202.

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 202313043421 - 2¹⁹ = 202312519133 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 (202313043431) 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, 3575266 + ... + 3631411.

It is an arithmetic number, because the mean of its divisors is an integer number (25727840460).

Almost surely, 2^202313043421 is an apocalyptic number.

It is an amenable number.

202313043421 is a deficient number, since it is larger than the sum of its proper divisors (3509680259).

202313043421 is an equidigital number, since it uses as much as digits as its factorization.

202313043421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207163.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 202313043421 its reverse (124340313202), we get a palindrome (326653356623).

The spelling of 202313043421 in words is "two hundred two billion, three hundred thirteen million, forty-three thousand, four hundred twenty-one".