200312123103 has 12 divisors (see below), whose sum is σ = 289446654328. Its totient is φ = 133492067280.

The previous prime is 200312123087. The next prime is 200312123107. The reversal of 200312123103 is 301321213002.

It is not a de Polignac number, because 200312123103 - 2⁴ = 200312123087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200312123107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4086628 + ... + 4135353.

Almost surely, 2^200312123103 is an apocalyptic number.

200312123103 is a deficient number, since it is larger than the sum of its proper divisors (89134531225).

200312123103 is a wasteful number, since it uses less digits than its factorization.

200312123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8224694 (or 8224691 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 200312123103 its reverse (301321213002), we get a palindrome (501633336105).

The spelling of 200312123103 in words is "two hundred billion, three hundred twelve million, one hundred twenty-three thousand, one hundred three".