23230221011 has 4 divisors (see below), whose sum is σ = 23237970000. Its totient is φ = 23222472024.

The previous prime is 23230220999. The next prime is 23230221029. The reversal of 23230221011 is 11012203232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23230221011 - 2⁶ = 23230220947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23230221061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3869996 + ... + 3875993.

It is an arithmetic number, because the mean of its divisors is an integer number (5809492500).

Almost surely, 2^23230221011 is an apocalyptic number.

23230221011 is a deficient number, since it is larger than the sum of its proper divisors (7748989).

23230221011 is an equidigital number, since it uses as much as digits as its factorization.

23230221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748988.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23230221011 its reverse (11012203232), we get a palindrome (34242424243).

The spelling of 23230221011 in words is "twenty-three billion, two hundred thirty million, two hundred twenty-one thousand, eleven".