2031200342123 has 4 divisors (see below), whose sum is σ = 2032946861208. Its totient is φ = 2029453823040.

The previous prime is 2031200342117. The next prime is 2031200342183. The reversal of 2031200342123 is 3212430021302.

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 2031200342123 - 2¹⁰ = 2031200341099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031200342183) 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 3 ways as a sum of consecutive naturals, for example, 873257798 + ... + 873260123.

It is an arithmetic number, because the mean of its divisors is an integer number (508236715302).

Almost surely, 2^{2031200342123} is an apocalyptic number.

2031200342123 is a deficient number, since it is larger than the sum of its proper divisors (1746519085).

2031200342123 is a wasteful number, since it uses less digits than its factorization.

2031200342123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746519084.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2031200342123 its reverse (3212430021302), we get a palindrome (5243630363425).

The spelling of 2031200342123 in words is "two trillion, thirty-one billion, two hundred million, three hundred forty-two thousand, one hundred twenty-three".