23311112133 has 32 divisors (see below), whose sum is σ = 31898880000. Its totient is φ = 15138446400.

The previous prime is 23311112089. The next prime is 23311112161. The reversal of 23311112133 is 33121111332.

It is a happy number.

It is not a de Polignac number, because 23311112133 - 2¹⁴ = 23311095749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311112533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6313818 + ... + 6317508.

It is an arithmetic number, because the mean of its divisors is an integer number (996840000).

Almost surely, 2^23311112133 is an apocalyptic number.

It is an amenable number.

23311112133 is a deficient number, since it is larger than the sum of its proper divisors (8587767867).

23311112133 is a wasteful number, since it uses less digits than its factorization.

23311112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113.

The product of its digits is 324, while the sum is 21.

Adding to 23311112133 its reverse (33121111332), we get a palindrome (56432223465).

The spelling of 23311112133 in words is "twenty-three billion, three hundred eleven million, one hundred twelve thousand, one hundred thirty-three".