2031203202123 has 16 divisors (see below), whose sum is σ = 2826307422720. Its totient is φ = 1295129123904.

The previous prime is 2031203202097. The next prime is 2031203202131. The reversal of 2031203202123 is 3212023021302.

It is a happy number.

It is not a de Polignac number, because 2031203202123 - 2²¹ = 2031201104971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031203202123.

It is not an unprimeable number, because it can be changed into a prime (2031203202163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797311 + ... + 2167512.

It is an arithmetic number, because the mean of its divisors is an integer number (176644213920).

Almost surely, 2^{2031203202123} is an apocalyptic number.

2031203202123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2031203202123 is a deficient number, since it is larger than the sum of its proper divisors (795104220597).

2031203202123 is a wasteful number, since it uses less digits than its factorization.

2031203202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974778.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2031203202123 its reverse (3212023021302), we get a palindrome (5243226223425).

The spelling of 2031203202123 in words is "two trillion, thirty-one billion, two hundred three million, two hundred two thousand, one hundred twenty-three".