23223311305 has 8 divisors (see below), whose sum is σ = 28393784712. Its totient is φ = 18228108288.

The previous prime is 23223311291. The next prime is 23223311327. The reversal of 23223311305 is 50311332232.

It can be written as a sum of positive squares in 4 ways, for example, as 9585976464 + 13637334841 = 97908^2 + 116779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23223311305 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23223311305.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43817304 + ... + 43817833.

It is an arithmetic number, because the mean of its divisors is an integer number (3549223089).

Almost surely, 2^23223311305 is an apocalyptic number.

It is an amenable number.

23223311305 is a deficient number, since it is larger than the sum of its proper divisors (5170473407).

23223311305 is an equidigital number, since it uses as much as digits as its factorization.

23223311305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87635195.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 23223311305 its reverse (50311332232), we get a palindrome (73534643537).

The spelling of 23223311305 in words is "twenty-three billion, two hundred twenty-three million, three hundred eleven thousand, three hundred five".