203343020121323 has 8 divisors (see below), whose sum is σ = 203384252626896. Its totient is φ = 203301788659200.

The previous prime is 203343020121313. The next prime is 203343020121509. The reversal of 203343020121323 is 323121020343302.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203343020121323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203343020121313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477036215 + ... + 477462287.

It is an arithmetic number, because the mean of its divisors is an integer number (25423031578362).

Almost surely, 2^{203343020121323} is an apocalyptic number.

203343020121323 is a deficient number, since it is larger than the sum of its proper divisors (41232505573).

203343020121323 is an equidigital number, since it uses as much as digits as its factorization.

203343020121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521725.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 203343020121323 its reverse (323121020343302), we get a palindrome (526464040464625).

The spelling of 203343020121323 in words is "two hundred three trillion, three hundred forty-three billion, twenty million, one hundred twenty-one thousand, three hundred twenty-three".