203141203421 has 8 divisors (see below), whose sum is σ = 219338649600. Its totient is φ = 187025357232.

The previous prime is 203141203409. The next prime is 203141203427. The reversal of 203141203421 is 124302141302.

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 203141203421 - 2¹⁸ = 203140941277 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 (203141203427) 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, 20394821 + ... + 20404778.

It is an arithmetic number, because the mean of its divisors is an integer number (27417331200).

Almost surely, 2^203141203421 is an apocalyptic number.

It is an amenable number.

203141203421 is a deficient number, since it is larger than the sum of its proper divisors (16197446179).

203141203421 is a wasteful number, since it uses less digits than its factorization.

203141203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40799995.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 203141203421 its reverse (124302141302), we get a palindrome (327443344723).

The spelling of 203141203421 in words is "two hundred three billion, one hundred forty-one million, two hundred three thousand, four hundred twenty-one".