23210320011 has 4 divisors (see below), whose sum is σ = 30947093352. Its totient is φ = 15473546672.

The previous prime is 23210320009. The next prime is 23210320019. The reversal of 23210320011 is 11002301232.

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 23210320011 - 2¹ = 23210320009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23210320019) 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, 3868386666 + ... + 3868386671.

It is an arithmetic number, because the mean of its divisors is an integer number (7736773338).

Almost surely, 2^23210320011 is an apocalyptic number.

23210320011 is a deficient number, since it is larger than the sum of its proper divisors (7736773341).

23210320011 is an equidigital number, since it uses as much as digits as its factorization.

23210320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736773340.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23210320011 its reverse (11002301232), we get a palindrome (34212621243).

The spelling of 23210320011 in words is "twenty-three billion, two hundred ten million, three hundred twenty thousand, eleven".