11123203223133 has 12 divisors (see below), whose sum is σ = 17011957870908. Its totient is φ = 6979264767360.

The previous prime is 11123203223129. The next prime is 11123203223141. The reversal of 11123203223133 is 33132230232111.

11123203223133 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 3 + 20 + 322 + 313 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7150046037849 + 3973157185284 = 2673957^2 + 1993278^2 .

It is not a de Polignac number, because 11123203223133 - 2² = 11123203223129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11123203223097 and 11123203223106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123203223123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36350337178 + ... + 36350337483.

It is an arithmetic number, because the mean of its divisors is an integer number (1417663155909).

Almost surely, 2^{11123203223133} is an apocalyptic number.

It is an amenable number.

11123203223133 is a deficient number, since it is larger than the sum of its proper divisors (5888754647775).

11123203223133 is a wasteful number, since it uses less digits than its factorization.

11123203223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72700674684 (or 72700674681 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 11123203223133 its reverse (33132230232111), we get a palindrome (44255433455244).

The spelling of 11123203223133 in words is "eleven trillion, one hundred twenty-three billion, two hundred three million, two hundred twenty-three thousand, one hundred thirty-three".