23311230223 has 4 divisors (see below), whose sum is σ = 23706335880. Its totient is φ = 22916124568.

The previous prime is 23311230209. The next prime is 23311230259. The reversal of 23311230223 is 32203211332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23311230223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23311230194 and 23311230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311230923) 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, 197552740 + ... + 197552857.

It is an arithmetic number, because the mean of its divisors is an integer number (5926583970).

Almost surely, 2^23311230223 is an apocalyptic number.

23311230223 is a deficient number, since it is larger than the sum of its proper divisors (395105657).

23311230223 is an equidigital number, since it uses as much as digits as its factorization.

23311230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395105656.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23311230223 its reverse (32203211332), we get a palindrome (55514441555).

The spelling of 23311230223 in words is "twenty-three billion, three hundred eleven million, two hundred thirty thousand, two hundred twenty-three".