203201120323 has 4 divisors (see below), whose sum is σ = 203202928480. Its totient is φ = 203199312168.

The previous prime is 203201120209. The next prime is 203201120329. The reversal of 203201120323 is 323021102302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203201120323 - 2¹³ = 203201112131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203201120323.

It is not an unprimeable number, because it can be changed into a prime (203201120329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723483 + ... + 964276.

It is an arithmetic number, because the mean of its divisors is an integer number (50800732120).

Almost surely, 2^203201120323 is an apocalyptic number.

203201120323 is a deficient number, since it is larger than the sum of its proper divisors (1808157).

203201120323 is a wasteful number, since it uses less digits than its factorization.

203201120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808156.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203201120323 its reverse (323021102302), we get a palindrome (526222222625).

The spelling of 203201120323 in words is "two hundred three billion, two hundred one million, one hundred twenty thousand, three hundred twenty-three".