11554503143223 has 16 divisors (see below), whose sum is σ = 15738682959360. Its totient is φ = 7536764616576.

The previous prime is 11554503143219. The next prime is 11554503143231. The reversal of 11554503143223 is 32234130545511.

11554503143223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11554503143223 - 2² = 11554503143219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554503143203) 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, 12282933 + ... + 13190126.

It is an arithmetic number, because the mean of its divisors is an integer number (983667684960).

Almost surely, 2^{11554503143223} is an apocalyptic number.

11554503143223 is a deficient number, since it is larger than the sum of its proper divisors (4184179816137).

11554503143223 is a wasteful number, since it uses less digits than its factorization.

11554503143223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25476326.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 11554503143223 its reverse (32234130545511), we get a palindrome (43788633688734).

The spelling of 11554503143223 in words is "eleven trillion, five hundred fifty-four billion, five hundred three million, one hundred forty-three thousand, two hundred twenty-three".