23113221133 has 8 divisors (see below), whose sum is σ = 23264352920. Its totient is φ = 22962139200.

The previous prime is 23113221121. The next prime is 23113221163. The reversal of 23113221133 is 33112231132.

It can be written as a sum of positive squares in 4 ways, for example, as 4146973609 + 18966247524 = 64397^2 + 137718^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23113221133 is a prime.

It is a super-2 number, since 2×23113221133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113221163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547023 + ... + 1561891.

It is an arithmetic number, because the mean of its divisors is an integer number (2908044115).

Almost surely, 2^23113221133 is an apocalyptic number.

It is an amenable number.

23113221133 is a deficient number, since it is larger than the sum of its proper divisors (151131787).

23113221133 is a wasteful number, since it uses less digits than its factorization.

23113221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24927.

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

Adding to 23113221133 its reverse (33112231132), we get a palindrome (56225452265).

Subtracting 23113221133 from its reverse (33112231132), we obtain a palindrome (9999009999).

The spelling of 23113221133 in words is "twenty-three billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred thirty-three".