23021312101133 has 4 divisors (see below), whose sum is σ = 23039743897500. Its totient is φ = 23002880304768.

The previous prime is 23021312101037. The next prime is 23021312101163. The reversal of 23021312101133 is 33110121312032.

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 13089214881604 + 9932097219529 = 3617902^2 + 3151523^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021312101133 - 2¹⁰ = 23021312100109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23021312101099 and 23021312101108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021312101163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9215896310 + ... + 9215898807.

It is an arithmetic number, because the mean of its divisors is an integer number (5759935974375).

Almost surely, 2^{23021312101133} is an apocalyptic number.

It is an amenable number.

23021312101133 is a deficient number, since it is larger than the sum of its proper divisors (18431796367).

23021312101133 is a wasteful number, since it uses less digits than its factorization.

23021312101133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431796366.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23021312101133 its reverse (33110121312032), we get a palindrome (56131433413165).

The spelling of 23021312101133 in words is "twenty-three trillion, twenty-one billion, three hundred twelve million, one hundred one thousand, one hundred thirty-three".