23331123223 has 4 divisors (see below), whose sum is σ = 23873707528. Its totient is φ = 22788538920.

The previous prime is 23331123209. The next prime is 23331123227. The reversal of 23331123223 is 32232113332.

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-23331123223 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 (23331123227) 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, 271292088 + ... + 271292173.

It is an arithmetic number, because the mean of its divisors is an integer number (5968426882).

Almost surely, 2^23331123223 is an apocalyptic number.

23331123223 is a deficient number, since it is larger than the sum of its proper divisors (542584305).

23331123223 is an equidigital number, since it uses as much as digits as its factorization.

23331123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542584304.

The product of its digits is 3888, while the sum is 25.

Adding to 23331123223 its reverse (32232113332), we get a palindrome (55563236555).

The spelling of 23331123223 in words is "twenty-three billion, three hundred thirty-one million, one hundred twenty-three thousand, two hundred twenty-three".