23220302311 has 4 divisors (see below), whose sum is σ = 23253053800. Its totient is φ = 23187550824.

The previous prime is 23220302293. The next prime is 23220302321. The reversal of 23220302311 is 11320302232.

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 23220302311 - 2⁹ = 23220301799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220302321) 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, 16374681 + ... + 16376098.

It is an arithmetic number, because the mean of its divisors is an integer number (5813263450).

Almost surely, 2^23220302311 is an apocalyptic number.

23220302311 is a deficient number, since it is larger than the sum of its proper divisors (32751489).

23220302311 is an equidigital number, since it uses as much as digits as its factorization.

23220302311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32751488.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23220302311 its reverse (11320302232), we get a palindrome (34540604543).

The spelling of 23220302311 in words is "twenty-three billion, two hundred twenty million, three hundred two thousand, three hundred eleven".