2111203123323 has 48 divisors (see below), whose sum is σ = 3467714017824. Its totient is φ = 1135248307200.

The previous prime is 2111203123313. The next prime is 2111203123331. The reversal of 2111203123323 is 3233213021112.

It is not a de Polignac number, because 2111203123323 - 2⁵ = 2111203123291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111203123293 and 2111203123302.

It is not an unprimeable number, because it can be changed into a prime (2111203123313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15679161 + ... + 15813237.

It is an arithmetic number, because the mean of its divisors is an integer number (72244042038).

Almost surely, 2^{2111203123323} is an apocalyptic number.

2111203123323 is a deficient number, since it is larger than the sum of its proper divisors (1356510894501).

2111203123323 is a wasteful number, since it uses less digits than its factorization.

2111203123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140412 (or 140405 counting only the distinct ones).

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

Adding to 2111203123323 its reverse (3233213021112), we get a palindrome (5344416144435).

The spelling of 2111203123323 in words is "two trillion, one hundred eleven billion, two hundred three million, one hundred twenty-three thousand, three hundred twenty-three".