203112104210323 has 64 divisors (see below), whose sum is σ = 254912425574400. Its totient is φ = 157222109865600.

The previous prime is 203112104210321. The next prime is 203112104210341. The reversal of 203112104210323 is 323012401211302.

It is a cyclic number.

It is not a de Polignac number, because 203112104210323 - 2¹ = 203112104210321 is a prime.

It is a super-2 number, since 2×203112104210323² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203112104210321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11002217313 + ... + 11002235773.

It is an arithmetic number, because the mean of its divisors is an integer number (3983006649600).

Almost surely, 2^{203112104210323} is an apocalyptic number.

203112104210323 is a deficient number, since it is larger than the sum of its proper divisors (51800321364077).

203112104210323 is a wasteful number, since it uses less digits than its factorization.

203112104210323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20248.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 203112104210323 its reverse (323012401211302), we get a palindrome (526124505421625).

The spelling of 203112104210323 in words is "two hundred three trillion, one hundred twelve billion, one hundred four million, two hundred ten thousand, three hundred twenty-three".