23211323133 has 24 divisors (see below), whose sum is σ = 33575563392. Its totient is φ = 14254070784.

The previous prime is 23211323123. The next prime is 23211323147. The reversal of 23211323133 is 33132311232.

It is not a de Polignac number, because 23211323133 - 2⁸ = 23211322877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211323123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244060 + ... + 325557.

It is an arithmetic number, because the mean of its divisors is an integer number (1398981808).

Almost surely, 2^23211323133 is an apocalyptic number.

It is an amenable number.

23211323133 is a deficient number, since it is larger than the sum of its proper divisors (10364240259).

23211323133 is a wasteful number, since it uses less digits than its factorization.

23211323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569701 (or 569684 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 23211323133 its reverse (33132311232), we get a palindrome (56343634365).

The spelling of 23211323133 in words is "twenty-three billion, two hundred eleven million, three hundred twenty-three thousand, one hundred thirty-three".