11331323220223 has 16 divisors (see below), whose sum is σ = 12306652894080. Its totient is φ = 10392284330496.

The previous prime is 11331323220197. The next prime is 11331323220263. The reversal of 11331323220223 is 32202232313311.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331323220223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331323220191 and 11331323220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331323220263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30781836 + ... + 31147777.

It is an arithmetic number, because the mean of its divisors is an integer number (769165805880).

Almost surely, 2^{11331323220223} is an apocalyptic number.

11331323220223 is a deficient number, since it is larger than the sum of its proper divisors (975329673857).

11331323220223 is a wasteful number, since it uses less digits than its factorization.

11331323220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61929906.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 11331323220223 its reverse (32202232313311), we get a palindrome (43533555533534).

The spelling of 11331323220223 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty-three million, two hundred twenty thousand, two hundred twenty-three".