11331123223223 has 4 divisors (see below), whose sum is σ = 11607492082368. Its totient is φ = 11054754364080.

The previous prime is 11331123223201. The next prime is 11331123223249. The reversal of 11331123223223 is 32232232113311.

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-11331123223223 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 (11331123223523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138184429511 + ... + 138184429592.

It is an arithmetic number, because the mean of its divisors is an integer number (2901873020592).

Almost surely, 2^{11331123223223} is an apocalyptic number.

11331123223223 is a deficient number, since it is larger than the sum of its proper divisors (276368859145).

11331123223223 is an equidigital number, since it uses as much as digits as its factorization.

11331123223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276368859144.

The product of its digits is 7776, while the sum is 29.

Adding to 11331123223223 its reverse (32232232113311), we get a palindrome (43563355336534).

The spelling of 11331123223223 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-three".