23211123133 has 16 divisors (see below), whose sum is σ = 25410340800. Its totient is φ = 21026868480.

The previous prime is 23211123079. The next prime is 23211123139. The reversal of 23211123133 is 33132111232.

It is a cyclic number.

It is not a de Polignac number, because 23211123133 - 2¹⁷ = 23210992061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211123139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6369610 + ... + 6373252.

It is an arithmetic number, because the mean of its divisors is an integer number (1588146300).

Almost surely, 2^23211123133 is an apocalyptic number.

It is an amenable number.

23211123133 is a deficient number, since it is larger than the sum of its proper divisors (2199217667).

23211123133 is a wasteful number, since it uses less digits than its factorization.

23211123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532.

The product of its digits is 648, while the sum is 22.

Adding to 23211123133 its reverse (33132111232), we get a palindrome (56343234365).

The spelling of 23211123133 in words is "twenty-three billion, two hundred eleven million, one hundred twenty-three thousand, one hundred thirty-three".