23213322011 has 16 divisors (see below), whose sum is σ = 25395169248. Its totient is φ = 21043488000.

The previous prime is 23213321969. The next prime is 23213322037. The reversal of 23213322011 is 11022331232.

It is a cyclic number.

It is not a de Polignac number, because 23213322011 - 2³⁴ = 6033452827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213322091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11646431 + ... + 11648423.

It is an arithmetic number, because the mean of its divisors is an integer number (1587198078).

Almost surely, 2^23213322011 is an apocalyptic number.

23213322011 is a deficient number, since it is larger than the sum of its proper divisors (2181847237).

23213322011 is a wasteful number, since it uses less digits than its factorization.

23213322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23213322011 its reverse (11022331232), we get a palindrome (34235653243).

The spelling of 23213322011 in words is "twenty-three billion, two hundred thirteen million, three hundred twenty-two thousand, eleven".