23213211133 has 8 divisors (see below), whose sum is σ = 26827467840. Its totient is φ = 19673475360.

The previous prime is 23213211113. The next prime is 23213211137. The reversal of 23213211133 is 33111231232.

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

It is not a de Polignac number, because 23213211133 - 2²⁹ = 22676340221 is a prime.

It is a super-2 number, since 2×23213211133² (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 (23213211137) 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, 18629563 + ... + 18630808.

It is an arithmetic number, because the mean of its divisors is an integer number (3353433480).

Almost surely, 2^23213211133 is an apocalyptic number.

It is an amenable number.

23213211133 is a deficient number, since it is larger than the sum of its proper divisors (3614256707).

23213211133 is an equidigital number, since it uses as much as digits as its factorization.

23213211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37260467.

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

Adding to 23213211133 its reverse (33111231232), we get a palindrome (56324442365).

The spelling of 23213211133 in words is "twenty-three billion, two hundred thirteen million, two hundred eleven thousand, one hundred thirty-three".