1123231022233 has 4 divisors (see below), whose sum is σ = 1128051756468. Its totient is φ = 1118410288000.

The previous prime is 1123231022203. The next prime is 1123231022357. The reversal of 1123231022233 is 3322201323211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 277885013904 + 845346008329 = 527148^2 + 919427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123231022233 - 2²⁵ = 1123197467801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123231022198 and 1123231022207.

It is not an unprimeable number, because it can be changed into a prime (1123231022203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410366768 + ... + 2410367233.

It is an arithmetic number, because the mean of its divisors is an integer number (282012939117).

Almost surely, 2^{1123231022233} is an apocalyptic number.

It is an amenable number.

1123231022233 is a deficient number, since it is larger than the sum of its proper divisors (4820734235).

1123231022233 is an equidigital number, since it uses as much as digits as its factorization.

1123231022233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820734234.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1123231022233 its reverse (3322201323211), we get a palindrome (4445432345444).

The spelling of 1123231022233 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-one million, twenty-two thousand, two hundred thirty-three".