2123113123203 has 8 divisors (see below), whose sum is σ = 2832590088528. Its totient is φ = 1414522453344.

The previous prime is 2123113123141. The next prime is 2123113123213. The reversal of 2123113123203 is 3023213113212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123113123203 - 2¹² = 2123113119107 is a prime.

It is a super-3 number, since 3×2123113123203³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2123113123213) 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 7 ways as a sum of consecutive naturals, for example, 221568276 + ... + 221577857.

It is an arithmetic number, because the mean of its divisors is an integer number (354073761066).

Almost surely, 2^{2123113123203} is an apocalyptic number.

2123113123203 is a deficient number, since it is larger than the sum of its proper divisors (709476965325).

2123113123203 is a wasteful number, since it uses less digits than its factorization.

2123113123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443147733.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2123113123203 its reverse (3023213113212), we get a palindrome (5146326236415).

Subtracting 2123113123203 from its reverse (3023213113212), we obtain a palindrome (900099990009).

The spelling of 2123113123203 in words is "two trillion, one hundred twenty-three billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred three".