105243543404 has 12 divisors (see below), whose sum is σ = 189153936384. Its totient is φ = 51199561584.

The previous prime is 105243543343. The next prime is 105243543409. The reversal of 105243543404 is 404345342501.

It is a super-2 number, since 2×105243543404² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105243543409) 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, 355552364 + ... + 355552659.

It is an arithmetic number, because the mean of its divisors is an integer number (15762828032).

Almost surely, 2^105243543404 is an apocalyptic number.

It is an amenable number.

105243543404 is a deficient number, since it is larger than the sum of its proper divisors (83910392980).

105243543404 is a wasteful number, since it uses less digits than its factorization.

105243543404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711105064 (or 711105062 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 105243543404 its reverse (404345342501), we get a palindrome (509588885905).

The spelling of 105243543404 in words is "one hundred five billion, two hundred forty-three million, five hundred forty-three thousand, four hundred four".