23311322321 has 4 divisors (see below), whose sum is σ = 26641511232. Its totient is φ = 19981133412.

The previous prime is 23311322303. The next prime is 23311322339. The reversal of 23311322321 is 12322311332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (23311322303) and next prime (23311322339).

It is a cyclic number.

It is not a de Polignac number, because 23311322321 - 2¹⁴ = 23311305937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23311322351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665094445 + ... + 1665094458.

It is an arithmetic number, because the mean of its divisors is an integer number (6660377808).

Almost surely, 2^23311322321 is an apocalyptic number.

It is an amenable number.

23311322321 is a deficient number, since it is larger than the sum of its proper divisors (3330188911).

23311322321 is an equidigital number, since it uses as much as digits as its factorization.

23311322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330188910.

The product of its digits is 1296, while the sum is 23.

Adding to 23311322321 its reverse (12322311332), we get a palindrome (35633633653).

The spelling of 23311322321 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-two thousand, three hundred twenty-one".