23311110133 has 4 divisors (see below), whose sum is σ = 23332131180. Its totient is φ = 23290089088.

The previous prime is 23311110113. The next prime is 23311110181. The reversal of 23311110133 is 33101111332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9119868004 + 14191242129 = 95498^2 + 119127^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311110133 - 2¹⁷ = 23310979061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23311110133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311110103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10508860 + ... + 10511077.

It is an arithmetic number, because the mean of its divisors is an integer number (5833032795).

Almost surely, 2^23311110133 is an apocalyptic number.

It is an amenable number.

23311110133 is a deficient number, since it is larger than the sum of its proper divisors (21021047).

23311110133 is a wasteful number, since it uses less digits than its factorization.

23311110133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21021046.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 23311110133 its reverse (33101111332), we get a palindrome (56412221465).

The spelling of 23311110133 in words is "twenty-three billion, three hundred eleven million, one hundred ten thousand, one hundred thirty-three".