2123111344233 has 16 divisors (see below), whose sum is σ = 3090897316800. Its totient is φ = 1285594414080.

The previous prime is 2123111344229. The next prime is 2123111344307. The reversal of 2123111344233 is 3324431113212.

It is not a de Polignac number, because 2123111344233 - 2² = 2123111344229 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123111344233.

It is not an unprimeable number, because it can be changed into a prime (2123111344933) 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, 28455528 + ... + 28530041.

It is an arithmetic number, because the mean of its divisors is an integer number (193181082300).

Almost surely, 2^{2123111344233} is an apocalyptic number.

It is an amenable number.

2123111344233 is a deficient number, since it is larger than the sum of its proper divisors (967785972567).

2123111344233 is a wasteful number, since it uses less digits than its factorization.

2123111344233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56986712.

The product of its digits is 10368, while the sum is 30.

Adding to 2123111344233 its reverse (3324431113212), we get a palindrome (5447542457445).

The spelling of 2123111344233 in words is "two trillion, one hundred twenty-three billion, one hundred eleven million, three hundred forty-four thousand, two hundred thirty-three".