23203210011 has 4 divisors (see below), whose sum is σ = 30937613352. Its totient is φ = 15468806672.

The previous prime is 23203210003. The next prime is 23203210013. The reversal of 23203210011 is 11001230232.

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 23203210011 - 2³ = 23203210003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23203210013) 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, 3867201666 + ... + 3867201671.

It is an arithmetic number, because the mean of its divisors is an integer number (7734403338).

Almost surely, 2^23203210011 is an apocalyptic number.

23203210011 is a deficient number, since it is larger than the sum of its proper divisors (7734403341).

23203210011 is an equidigital number, since it uses as much as digits as its factorization.

23203210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734403340.

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

Adding to 23203210011 its reverse (11001230232), we get a palindrome (34204440243).

The spelling of 23203210011 in words is "twenty-three billion, two hundred three million, two hundred ten thousand, eleven".