23021321133 has 8 divisors (see below), whose sum is σ = 30768006496. Its totient is φ = 15311091600.

The previous prime is 23021321131. The next prime is 23021321143. The reversal of 23021321133 is 33112312032.

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

It is not a de Polignac number, because 23021321133 - 2¹ = 23021321131 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 (23021321131) 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, 9112483 + ... + 9115008.

It is an arithmetic number, because the mean of its divisors is an integer number (3846000812).

Almost surely, 2^23021321133 is an apocalyptic number.

It is an amenable number.

23021321133 is a deficient number, since it is larger than the sum of its proper divisors (7746685363).

23021321133 is a wasteful number, since it uses less digits than its factorization.

23021321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18227915.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23021321133 its reverse (33112312032), we get a palindrome (56133633165).

The spelling of 23021321133 in words is "twenty-three billion, twenty-one million, three hundred twenty-one thousand, one hundred thirty-three".