11155233043223 has 16 divisors (see below), whose sum is σ = 11970023097120. Its totient is φ = 10375980539904.

The previous prime is 11155233043219. The next prime is 11155233043259. The reversal of 11155233043223 is 32234033255111.

It is a cyclic number.

It is not a de Polignac number, because 11155233043223 - 2² = 11155233043219 is a prime.

It is a super-2 number, since 2×11155233043223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155233033223) 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, 61180586 + ... + 61362647.

It is an arithmetic number, because the mean of its divisors is an integer number (748126443570).

Almost surely, 2^{11155233043223} is an apocalyptic number.

11155233043223 is a deficient number, since it is larger than the sum of its proper divisors (814790053897).

11155233043223 is a wasteful number, since it uses less digits than its factorization.

11155233043223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122543378.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 11155233043223 its reverse (32234033255111), we get a palindrome (43389266298334).

The spelling of 11155233043223 in words is "eleven trillion, one hundred fifty-five billion, two hundred thirty-three million, forty-three thousand, two hundred twenty-three".