23231122133 has 6 divisors (see below), whose sum is σ = 24059819394. Its totient is φ = 22430048144.

The previous prime is 23231122099. The next prime is 23231122151. The reversal of 23231122133 is 33122113232.

It can be written as a sum of positive squares in 3 ways, for example, as 2776973809 + 20454148324 = 52697^2 + 143018^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23231122133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23231122099 and 23231122108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231122633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13810766 + ... + 13812447.

It is an arithmetic number, because the mean of its divisors is an integer number (4009969899).

Almost surely, 2^23231122133 is an apocalyptic number.

It is an amenable number.

23231122133 is a deficient number, since it is larger than the sum of its proper divisors (828697261).

23231122133 is an equidigital number, since it uses as much as digits as its factorization.

23231122133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27623271 (or 27623242 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 23231122133 its reverse (33122113232), we get a palindrome (56353235365).

The spelling of 23231122133 in words is "twenty-three billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-three".