105543233453 has 8 divisors (see below), whose sum is σ = 120978766272. Its totient is φ = 90197182656.

The previous prime is 105543233441. The next prime is 105543233531. The reversal of 105543233453 is 354332345501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105543233453 - 2²⁴ = 105526456237 is a prime.

It is a super-2 number, since 2×105543233453² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105543233153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22367975 + ... + 22372692.

It is an arithmetic number, because the mean of its divisors is an integer number (15122345784).

Almost surely, 2^105543233453 is an apocalyptic number.

It is an amenable number.

105543233453 is a deficient number, since it is larger than the sum of its proper divisors (15435532819).

105543233453 is an equidigital number, since it uses as much as digits as its factorization.

105543233453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44741011.

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 105543233453 its reverse (354332345501), we get a palindrome (459875578954).

The spelling of 105543233453 in words is "one hundred five billion, five hundred forty-three million, two hundred thirty-three thousand, four hundred fifty-three".