203041323021 has 8 divisors (see below), whose sum is σ = 271239398560. Its totient is φ = 135102064752.

The previous prime is 203041323011. The next prime is 203041323071. The reversal of 203041323021 is 120323140302.

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

It is not a de Polignac number, because 203041323021 - 2⁵ = 203041322989 is a prime.

It is a super-3 number, since 3×203041323021³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203041323011) 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, 64702486 + ... + 64705623.

It is an arithmetic number, because the mean of its divisors is an integer number (33904924820).

Almost surely, 2^203041323021 is an apocalyptic number.

It is an amenable number.

203041323021 is a deficient number, since it is larger than the sum of its proper divisors (68198075539).

203041323021 is a wasteful number, since it uses less digits than its factorization.

203041323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129408635.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203041323021 its reverse (120323140302), we get a palindrome (323364463323).

The spelling of 203041323021 in words is "two hundred three billion, forty-one million, three hundred twenty-three thousand, twenty-one".