23310321211 has 4 divisors (see below), whose sum is σ = 23310705424. Its totient is φ = 23309937000.

The previous prime is 23310321163. The next prime is 23310321253. The reversal of 23310321211 is 11212301332.

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 23310321211 - 2¹¹ = 23310319163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23310321011) 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, 78840 + ... + 229861.

It is an arithmetic number, because the mean of its divisors is an integer number (5827676356).

Almost surely, 2^23310321211 is an apocalyptic number.

23310321211 is a deficient number, since it is larger than the sum of its proper divisors (384213).

23310321211 is an equidigital number, since it uses as much as digits as its factorization.

23310321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384212.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23310321211 its reverse (11212301332), we get a palindrome (34522622543).

The spelling of 23310321211 in words is "twenty-three billion, three hundred ten million, three hundred twenty-one thousand, two hundred eleven".