203112300203323 has 16 divisors (see below), whose sum is σ = 233200425687040. Its totient is φ = 173292403954176.

The previous prime is 203112300203257. The next prime is 203112300203381. The reversal of 203112300203323 is 323302003211302.

It is a cyclic number.

It is not a de Polignac number, because 203112300203323 - 2²⁵ = 203112266648891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203112300203723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3003136 + ... + 20377522.

It is an arithmetic number, because the mean of its divisors is an integer number (14575026605440).

Almost surely, 2^{203112300203323} is an apocalyptic number.

203112300203323 is a deficient number, since it is larger than the sum of its proper divisors (30088125483717).

203112300203323 is a wasteful number, since it uses less digits than its factorization.

203112300203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17382106.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 203112300203323 its reverse (323302003211302), we get a palindrome (526414303414625).

The spelling of 203112300203323 in words is "two hundred three trillion, one hundred twelve billion, three hundred million, two hundred three thousand, three hundred twenty-three".