105554433243223 has 4 divisors (see below), whose sum is σ = 105578298143248. Its totient is φ = 105530568343200.

The previous prime is 105554433243211. The next prime is 105554433243229. The reversal of 105554433243223 is 322342334455501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105554433243223 - 2⁴¹ = 103355409987671 is a prime.

It is a super-2 number, since 2×105554433243223² (a number of 29 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 (105554433243229) 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, 11932443378 + ... + 11932452223.

It is an arithmetic number, because the mean of its divisors is an integer number (26394574535812).

Almost surely, 2^{105554433243223} is an apocalyptic number.

105554433243223 is a deficient number, since it is larger than the sum of its proper divisors (23864900025).

105554433243223 is an equidigital number, since it uses as much as digits as its factorization.

105554433243223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23864900024.

The product of its (nonzero) digits is 5184000, while the sum is 46.

Adding to 105554433243223 its reverse (322342334455501), we get a palindrome (427896767698724).

The spelling of 105554433243223 in words is "one hundred five trillion, five hundred fifty-four billion, four hundred thirty-three million, two hundred forty-three thousand, two hundred twenty-three".